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Following is a conversation with Erik Brynjolfsson. He's an economics professor at Stanford and the director of Stanford's Digital Economy Lab. Previously, he was a long, long time professor at MIT where he did groundbreaking work on the economics of information. He's the author of many books, including The Second Machine, Age and Machine Platform Crowd co-authored with Andrew McAfee. Quick mention of his sponsor, followed by some thoughts related to the episode, Ventura watches the maker of classI while performing watches for Stigmatic, the maker of Delicious Mushroom Coffee Express open the VPN.


I've used for many years to protect my privacy on the Internet and cash up the app I used to send money to friends. Please check out the sponsors and the description to get discount and to support this podcast. As a side note, let me say that the impact of artificial intelligence and automation on our economy and our world is something worth thinking deeply about. Like with many topics that are linked to predicting the future, evolution of technology is often too easy to fall into one of two camps, the fear mongering camp or the technological utopianism camp.


As always, the future will land somewhere in between. I prefer to wear two hats in these discussions and alternate between them, often the hat of a pragmatic engineer and the hat of a futurist. This is probably a good time to mention Andrew Yang, the presidential candidate who has been one of the high profile thinkers on this topic. And I'm sure I will speak with him on this podcast. Eventually, a conversation with Andrew has been on the table many times.


Our schedules just haven't aligned, especially because I have a strongly held to preference for long form two, three, four hours or more. And in person, I work hard to not compromise on this. Trust me, it's not easy. Even more so in the times of covid, which requires getting tested nonstop, staying isolated and doing a lot of costly and uncomfortable things that minimize risk for the guests. The reason I do this is because to me something is lost in remote conversation.


That's something that magic, I think, is worth the effort, even if it ultimately leads to a failed conversation. This is how I approach life, treasuring the possibility of a rare moment of magic. I'm willing to go to the ends of the world for just such a moment. If you enjoy this thing, subscribe, I need to review it with first starting up a podcast file on Spotify support page on Connect with me on Twitter, Allex Friedemann, as usual.


I'll do a few minutes of ads now and no ads in the middle. I try to make these interesting, but I give you time stamps. So if you skip please to check out the sponsors by clicking on links in the description, it's the best way to support this podcast. This episode is sponsored by Van Cheryll Watches, they create exceptionally crafted, classy watches. I personally feel blessed in a suit and a good watch. Some interested to give and watch watches a try.


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Just see Ventura. This show is sponsored by forcing Mattick, the maker of delicious mushroom coffee and plant based protein Ainger. Both the coffee has lines made mushroom for productivity and Chagga mushroom for immune support. The plant based protein has immune support as well and tastes delicious. Supporting your immune systems is one of the things that we can actually control to improve our health in this difficult time for the human species. They have a big holiday cell for you. Not only does for stigmatic, always have 100 percent money back guarantee, but right now you can try their amazing products.


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Now, I think from that ad read, you can tell that I have a second career if everything fails in reading infomercials. This episode is sponsored by Express EPN, you can use express support to unlock movies and shows that are only available in other countries expressly and lets you change your online location so you can control where you want sites to think you're located. Open the app, select location, tap the one big red button to connect and refresh the page to access thousands of new shows and movies.


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There are a lot of charlatans in the space, but there are also a lot of free thinkers and technical geniuses whose ideas are worth exploring in depth and with care. If I make mistakes and guess selection and details in conversations, I'll keep trying to improve Karak where I can and also keep following my curiosity wherever the heck it takes me. So again, if you get cash out from the App Store, Google Play and use the Collects podcast, you get ten dollars in cash.


I will also donate ten dollars to first, an organization that is helping to advance robotics and stem education for young people around the world. And now here's my conversation with Erik Brynjolfsson. You posted a quote on Twitter by Albert Bartlett saying that the greatest shortcoming of the human race is our inability to understand the exponential function. Why would you say the exponential growth is important to understand? Yeah, that quote I remember posting that it's actually a reprise of something IndyMac, if you and I said in the second machine age, but I posted it in early March when covid was really just beginning to take off.


And I was really scared. There were actually only a couple dozen cases, maybe less at that time, but they were doubling every two or three days. And, you know, see, oh my God, this is going to be a catastrophe and it's going to happen soon. But nobody was taking it very seriously or not. A lot of people are taking it very seriously. In fact, I remember I did my last in-person conference that week.


I was flying back from Las Vegas and I was the only person on the plane wearing a mask. And the flight attendant came over to me. She looked very concerned. She kind of put her hands on my shoulder. She was touching me all over, which I wasn't thrilled about. And she goes, you know, you have some kind of anxiety disorder or are you OK? And it's like, no, you know, because the covid and she said, this is early March, early March.


But, you know, I was worried because I knew I could see or I suspected, I guess, that that that would continue. And it did. And pretty soon we had thousands of times more cases. Most of the time when I use that quote, I try to it's motivated by more optimistic things like Moore's Law and the wonders of having more computer power. But in either case, it can be very counterintuitive. I mean, if you if you walk for ten minutes, you get about ten times as far away as if you walk for one minute.


You know, that's the way our physical world works. That's the way our brains are wired. But if something doubles for ten times as long you don't get ten times as much, you get a thousand times as much. And after twenty, it's a billion. After 30, it's a story. After twenty, it's a million. After 30, it's a billion. And pretty soon after that, it just gets to these numbers that you can barely grasp.


Our world is becoming more and more exponential, mainly because of digital technologies. So more and more often our intuitions are out of whack.


And and that can be good in the case of things creating wonders, but it can be dangerous in the case of viruses and other things.


Do you think it generally applies because there are spaces where it does apply and where it doesn't? How are we supposed to build an intuition about in which aspects of our society does exponential growth apply?


Well, you know, you can learn the math, but the truth is our brains, I think, tend to be learned more from experiences. So we just start seeing it more and more often. So hang around Silicon Valley, hang around A.I. and computer researchers. I see this kind of exponential growth a lot more frequently and I'm getting used to it, but I still make mistakes. I still underestimate some of the progress in just talking to someone about three and how rapidly natural language has improved.


But I think that as the world becomes more exponential, we'll all start experiencing it more frequently. The danger is that we may make some mistakes in the meantime, using our old kind of caveman intuitions about how the world works.


Well, the weird thing is it always kind of looks linear in the moment, like the you know, it's hard to feel. It's hard to, like, introspect and really acknowledge how much has changed in just a couple of years or five years or ten years with the Internet. If we just look at V.I. or even just social media, all the various technologies that go into the digital umbrella, yeah, it feels pretty calm and normal and gradual.


A lot of stuff. You know, I think there are parts of the world, most of the world that is not exponential. You know, the way humans learn, the way organizations change, the way our whole institutions adapt and evolve. Those don't improve at exponential paces. And that leads to a mismatch oftentimes between these exponentially improving technologies or let's say, changing technologies, because some of them are exponentially more dangerous. And our intuitions and our human skills and our institutions that that just don't change very fast at all.


And that mismatch, I think, is at the root of a lot of the problems in our society, the growing inequality and other other dysfunctions in our political and economic systems.


So one guy that talks about exponential functions a lot is Elon Musk. He seems to internalize this kind of way of exponential thinking. He calls of first principles thinking.


Sort of. Kind of.


Yeah, going to the basics, asking the question like, what were the assumptions of the past? How can how can we throw them out the window? How can we do this 10x much more efficiently and constantly practice in that process. And also using that kind of thinking to estimate sort of when you create deadlines and estimate when you'll be able to deliver on some of these technologies. Now, it often gets him in trouble because he. Overestimates like he he doesn't meet the initial estimates of the deadlines, but he seems to deliver.


Late, but deliver, right, and which is kind of interesting. What are your thoughts about this whole thing? I think we can all learn from Ellen. I think going to first principles, I talked about two ways of of getting more of a grip on the exponential function. And one of them just comes from first principles. You know, if you understand the math of it, you can see what's going to happen. And even if it seems counterintuitive that a couple of dozen of covid cases could become thousands or tens or hundreds of thousands of them in a month, it makes sense.


Why don't you just do the math? And I think Elon tries to do that a lot. You know, in fairness, he also benefits from hanging out in Silicon Valley and he's experienced it in a lot of different applications. So it's not as much of a shock to him anymore. But that's that's something we can all learn from in my own life. I remember one of my first experiences really seeing it was when I was a grad student and my my advisor asked me to plot the growth of computer power in the US economy in different industries.


And there are all these, you know, exponentially growing curves. And I was like, holy shit, look at this. In each industry, it was just taking off. And, you know, you have to be a rocket scientist to extend that and say, wow, this means that this was in the late 80s and early 90s, that, you know, if it goes anything like that, we're going to have orders of magnitude more computer power than we did at that time.


And of course, we do.


So, you know, when people look at Moore's Law. They often talk about it as just for the exponential function is actually a stack of curves. So basically it's you milk or whatever, take the most advantage of a particular little revolution and then you search for another revolution. And it's basically, yes, revolution stack on top of revolutions. Do you have any intuition about how the heck humans keep finding ways to revolutionize things? Well, first, let me just unpack that first point that I talked about.


Exponential curves, but no exponential curve continues forever. It's been said that if anything can't go on forever, eventually it will stop. And and it's very profound and very profound.


But it seems that a lot of people don't appreciate that half of it is well, either. And that's why all exponential functions eventually turn into some kind of s curve or stop in some other way, maybe catastrophically and with covid as well. I mean, it was it went up and then it sort of, you know, at some point it starts saturating the the pool of people to be infected. There's a standard epidemiological model that's based on that. And it's beginning to happen with Moore's Law or different generations of computer power.


It happens with all exponential curves. The remarkable thing is you the second part of your question is that we've been able to come up with a new s curve on top of the previous one and do that generation after generation with new materials, new processes, and just extend it further and further. I don't think anyone has a really good theory about why we've been so successful at doing that. It's great that we have been and I hope it continues for some time.


But it's one beginning of a theory is that there's huge incentives when other parts of the system are going on that clock speed of doubling every two to three years. If there's one component of it that's not keeping up, then the economic incentives become really large. To improve that one part, it becomes a bottleneck. And anyone who can do improvements in that part can reap huge returns so that the resources automatically get focused on whatever part of the system isn't keeping up.


Do you think some version of the Moore's Law will continue? Some version, yes, it is, I mean, one version that has become more important is something I call Cubby's Law, which is named after John Cumi, who I should mention was also my college roommate. But he identified the fact that energy consumption has been declining by a factor of two. And for most of us, that's more important. You know, the new iPhones came out today as we're recording this.


I'm not sure when you're going to make it very soon after this. And for most of us, having the iPhone be twice as fast, you know, it's nice. But having it the battery life longer, that would be much more valuable. And the fact that a lot of the progress in chips now is reducing energy consumption is probably more important for many applications than just the raw speed. Other dimensions of Moore's Law are in AI machine learning. Those tend to be very parallel visible functions, especially deep neural nets.


And so instead of having one chip, you can have multiple chips or you can have a GPU graphic processing unit that goes faster. And now special chips designed for machine learning like tensor processing units each time you switch to another 10x or 100 improvement above and beyond Moore's Law. So I think that the raw silicon isn't improving as much as it used to, but these other dimensions are becoming important, more important, and we're seeing progress in them.


I don't know if you've seen the work by Open Eye where they show the exponential improvement of the training of neural networks just literally in the techniques used. So that's almost like the algorithm. The it's fascinating to think like, can they actually continue us figuring out more and more tricks on how to train networks faster, faster.


The progress has been staggering. You know, if you look at image recognition, as you mentioned, I think it's a function of at least three things that are coming together. One, we just talked about faster chips, not just Moore's Law, but GPS and other technologies. The second is just a lot more data. I mean, we are awash in digital data today in a way we weren't 20 years ago. Photography, I'm old enough to remember, it used to be chemical and now everything is digital.


I took probably 50 digital photos yesterday. I wouldn't have done that if it was chemical. And we have the Internet of Things and all sorts of other types of data. When we walk around with our phone, it's just broadcasting a huge amount of digital data that can be used as training sets. And then last but not least, as they mentioned it open. And I hope as they mentioned it open, I there have been significant improvements in the techniques.


The core idea of deep neural nets has been around for a few decades. But the advances in making it work more efficiently have also improved a couple of orders of magnitude or more. So you multiply together one hundred fold improvement in computer power, a hundred fold to more improvement in data, hundredfold improvement in in techniques of software and algorithms, and soon you're getting into a million fold improvements.


You know, somebody brought this up, this idea. Would you three that. It's so strange in a safe, supervised way on basically Internet data. And that's one of the I've seen arguments made that seem to be pretty convincing that the bottleneck there is going to be how much data there is on the Internet, which is a fascinating idea that it literally will just run out of human generated data to train on it.


So I know we may get to a point where it's consumed basically all of human knowledge, all digitized human knowledge, and there will be the bottleneck.


I mean, but the that the interesting thing with bottlenecks is people often use bottlenecks as a way to argue against exponential growth. They say, well, there's no way you can overcome this bottleneck, but we seem to somehow keep coming up with new ways to, like, overcome whatever bottlenecks the the critics come up with. Just fascinating. I don't know how you overcome the data bottleneck, but probably more efficient training algorithms.


Yeah, well, you already mentioned that, that these training programs are getting much better at using smaller amounts of data. We also are just capturing a lot more data than we used to, especially in China. Yeah, but but all around us. So those are both important. You know, in some applications you can simulate the data video games, some of the the self-driving car systems are, you know, simulating driving. And, of course, that has some risks and weaknesses.


But you can also if you want to exhaust all the different ways you could beat a video game, you could just simulate all the other options.


You can take a step in that direction of autonomous vehicles like you're talking to the CTO of Weemote tomorrow and obviously then talking to Elon again in a couple of weeks.


What's your thoughts on autonomous vehicles like where do we stand? Well, as a as a problem that has the potential of revolutionizing the world?


Well, you know, I'm really excited about that. But it's become much clearer that the original way that I thought about it, most people thought about like, you know, well, we have a self-driving car or not is way too simple.


The better way to think about it is that there's a whole continuum of how much driving and assisting the car can do. I notice that you're right next here to next door to Toyota, there's a total accident.


I love the trifocals, folks, but. Yeah. Have you talked to Gill Pratt? Yeah, we're going to we're supposed to talk. It's kind of hilarious. So there's kind of the op ed. I think it's a good counterpart to say what Elon is doing and hopefully they can be frank in how they think about each other, because I've heard both of them talk about it.


But they're much more you know, this is an assistant of a guardian angel that watches over you as opposed to try to do everything. I think there are some things like driving on a highway, you know, from L.A. to Phoenix, where it's mostly good weather, straight roads. That's close to a solved problem. Let's face it, in other situations, you know, driving through the snow in Boston where the roads are kind of crazy. And most importantly, you have to make a lot of judgments about what the other drivers are going to do at these intersections that aren't really right angles and aren't very well described.


It's more like game theory. That's a much harder problem and requires understanding human motivations. And so there's a continuum there of some places where the cars will work very well and others where it could probably take decades. What do you think about the way Mo? So, as you mentioned, two companies that are actually have cars on the road. The way approach that, it's more like we're not going to really say anything until it's perfect and we're going to be very strict about the streets that we travel on.


But it better be perfect.


Yeah, well. I'm smart enough to be humble and not try to get between I know there's very bright people on both sides, are you going to talk to them? And they make convincing arguments to me about how careful they need to be and the social acceptance. Some people thought that when the first few people died from self-driving cars, that would shut down the industry. But it was more of a blip, actually. And so that was interesting. Of course, there's still a concern that if there could be setbacks, if we do this wrong, you know, your listeners may be familiar with the different levels of self-driving level.


One, two, three, four, five. I think injuring has convinced me that this idea of really focusing on level four, where you only go in areas that are well mapped rather than just going out in the wild is the way things are going to evolve.


But you can just keep expanding those areas where you've mapped things really well, where you really understand them. And eventually they all become kind of interconnected. And that could be a kind of another way of progressing to make it more feasible over time.


I mean, that's kind of like the way my approach, which is they just now released, I think, just like a day or two ago, a public like anyone from the public in the and the Phoenix, Arizona, to you know, you can get a ride in a way.


What car would. No person. No driver. Oh, they've taken away the safety driver. Oh yeah. For a while now there's been no safety driver because I mean, I've been following that one in particular.


But I thought it was kind of funny about a year ago when they had the safety drive and then they added a second safety driver because the first safety driver would fall asleep. So they're going in the right direction with that.


They have way more particularly than a really good job of that. They they actually have. Very interesting infrastructure of remote observation, so they're not they're not controlling the vehicles remotely, but they're able to get customer service any time tune into the car. I bet they can probably remotely control it as well. But that's officially not the function that that. Yeah, I can see that being really, because I think the thing that's proving harder than maybe some of the early people expected was there's a long tail of weird exceptions.


So you can deal with ninety ninety nine ninety nine point ninety nine percent of the cases. But then there's something that just never been seen before in the training data and humans, more or less can work around that. Although let me be clear and note, there are about thirty thousand human fatalities in the United States and maybe a million worldwide. So they're far from perfect. But I think people have higher expectations of machines. They don't wouldn't tolerate that level of death and damage from a machine.


And so we have to do a lot better at dealing with those edge cases.


And also the the tricky thing that if I have a criticism for the way more folks, there's such a huge focus on safety where people don't talk enough about creating products that people that customers love, that human beings love using, you know, it's very easy to create a thing that's safe at the extremes, but then nobody wants to get into it. Yeah, well, back to Elon.


I think one of part of his genius was with the electric cars before he came along. Electric cars were all kind of underpowered, really light.


And they were sort of wimpy cars that, you know, weren't fun. And the first thing he did was he made a roadster that went zero to 60 faster than just about any other car and went the other end. And I think that was a really wise marketing move as well as a technology move.


Yeah, it's difficult to figure out what. Right. Marketing movies for A.I. Systems. That's always been. I think it requires guts and risk taking, which is which is what Elon practice's, I mean, to the chagrin of perhaps investors or whatever.


But it's guts and it also requires rethinking what you're doing. I think way too many people are unimaginative, intellectually lazy. And when they take A.I., they basically say, what are we doing now? How can we make a machine do the same thing? Maybe we'll save some costs, we'll have less labor. And yeah, it's necessary the worst thing in the world to do. But it's really not leading to a quantum change in the way you do things.


You know, when when Jeff Bezos said, hey, we're going to use the Internet to change how bookstores work and we use technology, he didn't go and say, OK, let's let's put a robot cashier where the human cashier is and leave everything else alone. I would have been a very lame way to automate a bookstore. He went from soup to nuts to let's just rethink it. We get rid of the physical bookstore. We have a warehouse, we have delivery.


We have people order on a screen and everything was reinvented. And that's been the story of these general-purpose technologies all through history. And in my books, I write about like electricity and how for 30 years there was almost no productivity gain from the electrification of factories a century ago. And that's not because electricity is a wimpy, useless technology. We all know how awesome electricity is because at first they really didn't rethink the factories. It was only after they reinvented them.


And we describe how in the book then you suddenly got a doubling and tripling of productivity growth. But it's the combination of the technology with the new business models, new business organization that just takes a long time and takes more creativity than most people have.


Can you maybe linger on electricity because it's a fun one?


Yeah, sure. I'll tell you what happened before electricity. There were basically steam engines or sometimes waterwheels. And to power the machinery, you had to have pulleys and crankshafts and you really can't make them too long. They'll break the torsion. So all the equipment was kind of clustered around this one giant steam engine. You can make small steam engines either because of thermodynamics. So if you have one giant steam engine, all the equipment clustered around it multistorey, they have it vertical to minimize the distance as well as horizontal.


And then when they did electricity, they took out the steam engine. They got the biggest electric motor they could buy from General Electric or someone like that. And nothing much else changed.


It took until a generation of managers retired or died three years later that people started thinking, wait, we don't have to do it that way.


You can make electric motors, you know, big, small, medium. You can put one with each piece of equipment. There's this big debate. If you read the management literature between what they call a group drive versus unit drive where every machine would have its own motor. Well, once they did that, once they went to unit drive, those guys won the debate. Then you started having a new kind of factory, which is sometimes spread out over a single story.


And each piece of equipment has own motor. And most importantly, they weren't laid out based on who needed the most power. They're were laid out based on what is the workflow of materials, you know, assembly line.


Let's have it go from this. Machine to that machine, to that machine, once they rethought the factory that way, huge increases in productivity was just staggering. People like Paul David have documented this in their research papers. And, you know, I think that there's a that is a lesson you see over and over. It happened when the steam engine change manual production. It's happened with the computerization. People like Michael Hammer said don't automate obliterate. In each case, the big gains only came once smart entrepreneurs and managers basically reinvented their industries.


I mean, one other interesting point about all that is that during that reinvention period, you often actually not only don't see productivity growth, you can actually see a slipping back. Measured productivity actually falls. I just wrote a paper with Chad Syverson and Daniel Rockholt, The Productivity J Curve, which basically shows that a lot of these cases, you have a downward dip before it goes up. And that downward dip is when everyone's trying to, like, reinvent things.


And you could say that they're creating knowledge and intangible assets, but that doesn't show up on anyone's balance sheet. It doesn't show up in GDP. So it's as if they're doing nothing like take self-driving cars. We're just talking about it. There have been hundreds of billions of dollars spent developing self-driving cars and basically no chauffeur has lost his job. No taxi driver. I kind of. Yeah. So there's a bunch of spending and no real consumer. But now they're doing that in the belief, I think the justified belief that they will get the upward part of the J curve and they will be some big returns.


But in the short run, you're not seeing it. That's happening with a lot of other technologies, just as it happened with earlier general-purpose technologies. And it's one of the reasons we're having relatively low productivity growth lately. You know, as an economist, one of things that disappoints me is that as eye popping as these technologies are, you and I are both excited about some of the things they can do. The economic productivity statistics are kind of dismal.


We actually, believe it or not, have had lower productivity growth in the past about 15 years than we did in the previous 15 years, in the 90s and early 2000s. And so that's not what you would have expected if if these technologies were that much better. But I think we're in kind of a long J curve there. Personally, I'm optimistic we'll start seeing the upward tick maybe maybe as soon as next year. But the past decade has been a bit disappointing.


If you thought there's a one to one relationship between cool technology and higher productivity. What would you place your biggest hope for productivity increases on? Because you kind of said at a high level, I but if I were to think about. What has been so revolutionary in the last 10 years, I would say 15 years and thinking about the Internet, I would say things like. Hope nothing ridiculous, but everything from Wikipedia to Twitter. So like these kind of websites, not so much, I feel like I would expect to see some kind of big productivity increases from just the connectivity between people and the access to more information.


Yeah, well, that's another area I've done quite a bit of research on, actually, is these free goods like Wikipedia, Facebook, Twitter, Zoome We're actually doing this in person, but almost everything else I do these days is online.


The interesting thing about all those is most of them have a price of zero. You know what you pay for Wikipedia, maybe like a little bit for the electrons to come to your house. Basically zero right now.


I take a small pause and say I donate to Wikipedia and you should, too, because you. Yeah, so but what does that do mean for GDP? GDP is based on the price and quantity of all the goods things bought and sold. If something has zero price, you know how much it contributes to GDP. To a first approximation, zero.


So these digital goods that we're getting more and more of, we're spending more and more hours a day consuming stuff off of screens, little screens, big screens that doesn't get priced into GDP. It's like they don't exist. That doesn't mean they don't create value. I get a lot of value from the watching cat videos and reading Wikipedia articles and listening to podcast, even if I don't pay for them. So we've got a mismatch there. Now, in fairness, economists, since Simon Kuznets invented GDP and productivity, all those statistics back in the nineteen thirties, he recognized, he in fact said this is not a measure of well-being.


This is not a measure of welfare, it's a measure of production. But almost everybody has kind of forgotten that he said that. And they just use this like how well-off are we? What was GDP last year was two point three percent growth or whatever.


That is how much physical production. But it's not the value we're getting.


We need a new set of statistics. And I'm working with some colleagues of economists and others to develop so that we call GDP Dasch, be GDP, be measures the benefits you get, not the cost. If you get benefit from Zoome or Wikipedia or Facebook, then that gets counted in GDP, even if you pay zero for it. So back to your original point. I think there is a lot of gain over the past decade in these digital goods that doesn't that doesn't show up in GDP, doesn't show up in productivity.


By the way, productivity is just defined as GDP, divided by hours worked. So if you measure GDP, you measure productivity by the exact same amount. That's something we need to fix. I'm working with the statistical agencies to come up with a new set of metrics. And over the coming years, I think we'll see. We're not going to do away with GDP. It's very useful, but we'll see a parallel set of accounts that measure the benefits.


How difficult is it to get that be in the GDP? It's pretty hard. I mean, the one of the reasons it hasn't been done before is that you can measure at the cash register what people pay for stuff. But how do you measure what they would have paid, like what the value is? That's a lot harder. You know, how much is Wikipedia worth to you? That's what we have to answer. And to do that, what we do is we can use online experiments.


We do massive online choice experiments. We ask hundreds of thousands now millions of people to do lots of sort of AB tests. How much would I have to pay you to give up Wikipedia for a month? How much would I have to pay you to stop using your phone? And in some cases it's hypothetical. In other cases we actually enforce it, which is kind of expensive. Like we we pay somebody three dollars to stop using Facebook and we see if they do it and some people will give it up for ten dollars.


Some people won't give it up even if you give them a hundred dollars and then you get a whole demand curve, you get to see what all the different prices are and what how much value different people get. And not surprisingly, different people have different values. We find that women tend to value Facebook more than men. Old people tend to value it a little bit more than young people. I was interesting. I think young people maybe know about other networks that I don't know the name of that are better than Facebook.


And and so you get to see these like these patterns, but every person's individual. And then if you add up all those numbers, you start getting an estimate of the value.


First of all, that's brilliant as this work that will soon eventually be published.


Yeah, well, there's a version of it in the Proceedings of the National Academy of Sciences about I think we call it massive online choice experiment. I should remember the title, but it's on my website. So, yeah, we have some more papers coming out on it. But the first one is already out.


You know, it's kind of a fascinating mystery that Twitter, Facebook, like all these social networks, free. And it seems like almost none of them except for YouTube, have experimented with removing ads for money. Can you like do you understand that from both economics and the product perspective?


It's something that I teach a course on digital business models. Are you so used to it, MIT at Stanford? I'm not quite sure. I'm not teaching until next spring. I'm still thinking what my course is going to be.


But there are a lot of different business models and we have something that zero marginal cost. There's a lot of forces, especially if there's any kind of competition that push prices down to zero. But you can have ad supported systems, you can bundle things together. You can have volunteer. You mentioned Wikipedia, there's donations. And I think economists underestimate the power of volunteerism and donations. Your National Public Radio, actually, how do you this podcast? How is this what's the revenue model?


There's sponsors at the beginning and then and people. The funny thing is I tell people it's very fun to start timestamps. So if you want to skip the sponsors, you if we but the it's funny that a bunch of people so I read the advertisement and a bunch of people enjoy reading it and they may learn something from it and also from the advertiser.


Perspective, those are people who are actually interested, you know, like I mean, the example I sometimes like I bought a car recently and all of a sudden all the car ads were like, interesting to me.


Exactly. And then, like, now that I have the car, like, I sort of zoned out on it, but that's fine. The car companies, they don't really want to be advertising to me if I'm not going to buy their product.


So there are a lot of these different revenue models and it's a little complicated.


But economic theory has to do with what the shape of the demand curve is, when it's better to monetize it with charging people versus when you're better off doing advertising. In short, when when the demand curve is relatively flat and wide, like generic news and things like that, then you tend to do better with advertising. If it's a good that's only useful to a small number of people, but they're willing to pay a lot. They have a very high value for it, then you advertising is going to work as well.


You're better off charging for it. Both of them have some inefficiencies and then you get into targeting and you can see these are the revenue models. It gets more complicated, but.


There's some economic theory on it. I also think, to be frank, there's just a lot of experimentation that's needed because sometimes things are a little counterintuitive, especially when you get into what are called two sided networks or platform effects, where you may grow the market on one side and harvest the revenue on the other side. You know, Facebook tries to get more and more users and then they harvest the revenue from advertising. So that's another way of kind of thinking about it.


This is strange to you that they haven't experimented? Well, they are experimenting. So, you know, they are doing some experiments about what the willingness is for people to pay. I I think that when they do the math, it's going to work out that they still are better off with an advertising driven model.


But what about a mix like this is what YouTube is, right? Yeah, you you allow the person to decide the customer to decide exactly which model they know that can work really well.


You know, and newspapers, of course, have known this for a long time. The Wall Street Journal, The New York Times, they have subscription revenue. They also have advertising revenue. And that can that can definitely work online is a lot easier to have a dial that's much more personalized and everybody can kind of roll their own mix. And I could imagine having a little slider about how much advertising you want or are willing to take. And if it's done right, it's incentive compatible.


It could be a win win where where both the content provider and the consumer are better off than they would have been before.


Yeah, you know, the great part is is really good point. Like with the Jeff Bezos and the single click purchase and Amazon, the frictionless effort there. If I could just rant for a second about The Wall Street Journal.


All the newspapers you mentioned is I have to click so many times to subscribe to them that I literally don't subscribe just because of the number of times I have to click. I'm totally with you. I don't understand why so many companies make it so hard. So, I mean, another example is when you buy a new iPhone or a new computer, whatever, I feel like, OK, I'm going to lose an afternoon just like loading up and getting all my stuff back.


And and for a lot of us, that's more of a deterrent than the price. And if they could make it painless, we'd give them a lot more money. So I'm hoping somebody listening is working on making it more painless for us to buy your products.


If we could just like linger a little bit on the social network thing, because, you know, there's this Netflix social dilemma.


Yeah, I saw that. And then Tristan Harris and company and. You know, people's data people, it's really sensitive and social networks are at the core, arguably of many of societal like tension and some of the most important things happening in society.


So it feels like it's important to get this right, both from a business model perspective and just like a trust perspective. I still got a I mean, it just still feels like I know there's experimentation going on. It still feels like everyone is afraid to try different business models. Like really try.


Well, I'm worried that people are afraid to try different business models. I'm also worried that some of the business models may lead them to bad choices. And, you know, Danny Kahneman talks about System One and system to sort of like our reptilian brain that reacts quickly to what we see. See something interesting, we click on it. We retweeted versus our system to our frontal cortex. That's supposed to be more careful and rational. That really doesn't make as many decisions as it should.


I think there's a tendency for a lot of these social networks to really exploit system one are quick instant reaction. Make it so we just click on stuff and pass it on and not really think carefully about it. And that system, it tends to be driven by. Sex, violence, disgust, anger, fear. These relatively primitive kinds of emotions, maybe they're important for a lot of purposes, but they're not a great way to organize a society.


And most importantly, when you think about this huge, amazing information infrastructure that we've had that's connected, you know, billions of brains across the globe, not just we can access information, got to contribute to it and share it. Arguably, the most important thing that that network should do is favor truth over falsehoods. And the way it's been designed, not necessarily intentionally is exactly the opposite. My my MIT colleagues are all and Deb Roy and others at MIT did a terrific paper in the cover of Science and they document what we all feared, which is that lies spread faster than truth on social networks.


They looked at a bunch of tweets and read tweets and they found that false information was more likely to spread further, faster to more people. And why was that? It's not because people like lies. It's because people like things that are shocking. Amazing. Can you believe this? Something that is not mundane. Not that something everybody else already knew. And what are the most unbelievable things? Well, lies. And so you if you want to find something unbelievable, it's a lot easier to do that if you're not constrained by the truth.


So they found that the emotional valence of false information was just much higher. It was more likely to be shocking and therefore more likely to be spread. Another interesting thing was that that wasn't necessarily driven by the algorithms, I know that there is some evidence to Feki and others have pointed out in YouTube some of the algorithms unintentionally were tuned to amplify more extremist content. But in the study of Twitter that Synon and Deb and others did, they found that even if you took out all the bots and all the automated tweets, you still had spreading significantly faster.


It's just the problems with ourselves that we just can't resist passing on the salacious content, the. But I also blame the platforms because, you know, there's different ways you can design a platform. You can design a platform in a way that makes it easy to spread lies and to retreat and spread things on. Or you can kind of put some friction on that and try to favor truth. I had dinner with Jimmy Wales once.


You know, the guy who helped found Wikipedia. And and he he convinced me that, look, you know, you can make some design choices, whether it's at Facebook or Twitter, at Wikipedia or Reddit or whatever, and depending on how you make those choices. You're more likely or less likely to have false news, create a little bit of friction, like you said. Yeah, you know, that's the friction.


It could be speeding the truth either way. But and I don't totally understanding the truth.


I love it. Yeah. Yeah. Amplifying it and giving it more credit and, you know, like it in academia, which is far, far from perfect. But, you know, when someone has an important discovery, it tends to get more sighted and people kind of look to it more and sort of it tends to get amplified a little bit.


So you could try to do that, too. I don't know what the silver bullet is, but the meta point is that if we spend time thinking about it, we can amplify truth over falsehoods. And I'm disappointed in the heads of these social networks that they haven't been as successful or maybe haven't tried as hard to amplify truth. And part of it, going back to what we said earlier is, you know, these revenue models may push them more towards growing fast, spreading information rapidly, getting lots of users, which isn't the same thing as finding truth.


Yeah, I mean, implicit in what you're saying now is a hopeful message that with platforms, we can take a step towards greater and greater popularity of truth. But the more cynical view is that what the last few years have revealed is that there's a lot of money to be made in dismantling even that idea of truth, that nothing is true. And it's a thought experiment I've been thinking about if it's possible that our future will have, like the idea of truth is something we won't even have.


Do you think it's possible that in the future that everything is on the table in terms of truth and we're just swimming in this kind of digital economy where ideas are just little? Toys, they're not at all connected to reality. Yeah, I think that's definitely possible. I'm not a technological determinist, so I don't think that's inevitable. I don't think it's inevitable that it doesn't happen. I mean, the thing that I've come away with every time I do these studies and I emphasize in my books and elsewhere, is that technology doesn't shape our destiny.


We shape our destiny. So just by us having this conversation, I hope that your audience is going to take it upon themselves as they design their products and they think about their use products as they manage companies. How can they make conscious decisions to favor truth over falsehoods, favor the better of the kinds of societies and not abdicate and say, well, we just build the tools? I think there is a saying that that was it. The German scientist when they were working on the the missiles in late World War Two, they said, well, our job is to make the missiles go up where they come down.


That's someone else's department. And, you know, that's obviously not I think it's obvious that's not the right attitude the technologists should have, that engineers should have they should be very cautious about what the implications are. And if we think carefully about it, we can avoid the kind of world that you just described where the truth is all relative. There are going to be people who benefit from a world of where people don't check facts and where truth is relative and popularity or fame or money is orthogonal to truth.


But one of the reasons I suspect, that we've had so much progress over the past few hundred years is the invention of the scientific method, which is a really powerful tool or a tool for finding truth and favoring things that are true versus things that are false. If they don't pass the scientific method, they're less likely to be true. And that has societies and the people and the organizations that embrace that have done a lot better than the ones who haven't.


And so I'm hoping the people keep that in mind and continue to try to embrace not just the truth, but methods that lead to the truth. So maybe on a more personal question, if one were to try to build a competitor to Twitter, what would you advise? Is there any I mean, the bigger the better question, is that the right way to improve systems?


Yeah, no, I think that the underlying premise behind Twitter and all these networks is amazing, that we can communicate with each other.


And and I use it a lot. There's a subpart of Twitter called Econ. Twitter where we economists tweet to each other and talk about new papers. Something came out in the NBER National Bureau of Economic Research and we share about people critique it. I think it's been a godsend because it's really sped up the scientific process, if you can call economic, scientific and get divisive and that little. Sometimes, yeah, sure. Sometimes it does. It can also be done in nasty ways and you know, the bad parts, but the good parts are great because you just speed up that clock speed of learning about things, you know, instead of like an old old days, you know, waiting to read in a journal or the not so old days when you see it posted on a website and you'd read it now on Twitter, like people will distill it down.


And it's a real art to getting to the essence of things. So that's been great. But it certainly we all know that Twitter could be a cesspool of misinformation. And like I just said, unfortunately, misinformation tends to spread faster on Twitter than truth. And there are a lot of people who are very vulnerable to it. I'm sure I've been fooled at times. There are agents, whether from Russia or from political groups or others, that explicitly create efforts at misinformation and efforts at getting people to hate each other.


Or even more importantly, I've discovered is is nitpicking. The idea of not picking up the good term or not picking is when you find like an extreme nutcase on the other side and then you amplify them and make it seem like that's typical of the other side. So you're not literally lying. You're taking some idiot ranting on the subway or just, you know, whether they're in the KKK or Antifa or whatever. They just and you normally nobody would pay attention.


This guy, like 12 people would say, I'm going to be the end instead with video or whatever. You you get tens of millions of people it and I've seen this. I look at it, I get angry. Like, I can't believe that person did something so terrible.


Let me tell my friends about it.


And and it's it's a great way to generate division. I talked to a friend who studied Russian misinformation campaigns, and they're very clever about literally being on both sides of some of these debates. They would have some people pretend to be part of BLM. Some people pretend to be white nationalists, and they would be throwing epithets at each other saying crazy things at each other. And they're literally playing both sides of it. But their goal wasn't for one or the other to win.


It was for everybody to get the heating and distrusting everyone else. So these tools can definitely be used for that and they are being used for that. It's been super destructive for our democracy in our society. And the people who run these platforms, I think have a social responsibility, a moral and ethical personal responsibility to do a better job and to shut that stuff down, I don't think to shut it down, but to design them in a way that that, as I said earlier, favors truth over and over falsehoods and favors positive types of communication versus destructive ones.


And just like you said, it's also on us. I try to be all about love and compassion, empathy and Twitter. I mean, one of the things not picking is a fascinating term. One of the things that people do that's I think even more dangerous is not picking applied to individual statements of good people. So basically, worst case analysis in computer science is taking sometimes out of context, but sometimes in context, a statement, one statement by a person like I've been because I've been reading the rise and fall of the Third Reich.


I often talk about Hitler on this podcast with folks, and it is so dangerous.


But I'm all leaning in.


I'm 100 percent because, well, it's actually a safer place than people realize because it's history. And history in long form is actually very fascinating to think about. And it's but I could see how that could be taken. Yeah. Totally out of context.


And it's very worrying about these digital infrastructure, not just these things, but they're sort of primitive. Anything you say at some point someone can go back and find something. You said three years ago, perhaps jokingly, perhaps not. Maybe you're just wrong and you may, you know, and like that becomes they can use that to define you if they have. And we all need to be more forgiving. I mean, somewhere in my twenties, I told my I was going through all my different friends and I was like, you know.


Every one of them has at least like one opinion. It's like there's like nobody who's, like, completely except me, of course. But I'm sure they thought that about me, too. And and so you just kind of like learn to be a little bit tolerant that, like, OK, there's just. Yeah.


I wonder who the responsibility lays on there. Like I think ultimately it's about. Leadership like the previous president, Barack Obama has been, I think, quite eloquent at work in this very difficult line of talking about cancer culture, was it difficult? It takes skill. Yeah, because you say the wrong thing and you piss off a lot of people and so you have to do it well. But then also the platform of the technology is a should slow down, create friction, spreading this kind of nitpicking in all its forms.




And your point that we have to like, learn over time how to manage it, we can put it all on the platform and say, you guys design it, because if we're idiots about using it, nobody can design a platform that withstands that. And and every new technology people learn it's dangerous. You know, when someone invented fire, it's great cooking and everything, but then somebody burned himself and then you had to learn how to like a maybe somebody invented a fire extinguisher later.


And so so you kind of like figure out ways of of working around these technologies. And we invented seatbelts, et cetera. And that's certainly true with all the new digital technologies that we have to figure out, not just technology to protect us, but but ways of using them that emphasize that are more likely to be successful than dangerous.


So you've written quite a bit about how artificial intelligence might change our world.


How do you think if we look forward again, it's impossible to predict the future, but if we look at trends from the past and we try to predict what's going to happen in the rest of the twenty first century, how do you think I will change our world?


The big question, you know, I'm mostly a techno optimist.


I'm not at the extreme. You know, the singularity is near the end of the spectrum. But I do think that we're likely in for some significantly improved living standards, some really important progress, even just the technologies that are already kind of like in the can that haven't diffused. When I talked earlier about the curve, it can take 10, 20, 30 years for an existing technology to have the kind of profound effects. And when I look at whether it's, you know, vision systems, voice recognition, problem solving systems, even if nothing new got invented, we would have a few decades of progress.


So I'm excited about that. And I think that's going to lead to us being wealthier, healthier. I mean, the health care is probably one of the applications I'm most excited about. So that's good news. I don't think we're going to have the end of work any time soon. There's just too many things that machines still can't do. When I look around the world and think of whether it's child care or health care, clean the environment, interacting with people, scientific work, artistic creativity, these are things that for now, machines aren't able to do nearly as well as humans, even just something as mundane as folding laundry or whatever.


And many of these, I think, are going to be. Years or decades before machines catch up, you may be surprised on some of them, but but overall, I think there's plenty of work for humans to do.


There's plenty of problems in society that need the human touch. So we'll have to repurpose will have to as machines are able to do some tasks, people are going to have to reskill and move into other areas. And that's probably what's going to be going on for the next 10, 20, 30 years or more kind of big restructuring of society. We'll get wealthier and people will have to do new skills. Now, if you turn that down further, I don't know, 50 or 100 years into the future, then, you know, maybe all bets are off.


Then it's possible that that machines will be able to do most of what people do, say one or two hundred years. I think it's even likely.


And at that point, then we're more in the sort of abundance economy than we're in a world where there's really little for the humans can do economically better than machines other than be human. And, you know, that will take a transition as well, kind of more of a transition of how we get meaning in life and what our values are. But but shame on us if we screw that up. I mean, it should be like great, great news.


And it kind of saddens me that some people see that as a big problem. You know, I think I would be should be wonderful if people have all the health and material things that they need and can focus on loving each other and discussing philosophy and playing and doing all the other things that don't require work.


Do you think you'll be surprised to see what the twenty four to travel in time 100 years into the future, do you think you'll be able to like if I gave you a month to like talk to people. No, say a week, would you be would you be able to understand what the hell's going on. You mean if I was there for a week. Yeah. If you were there for a week. A hundred years in the future. Yeah.


So I'll give you one thought experiment is like. Isn't it possible that we're all living in virtual reality by then? Yeah, no, I think that's very possible. You know, I've played around with some of those VR headsets and they're not great. But I mean, the average person spends many waking hours staring at screens right now. You know, they're kind of low res compared to what they could be in 30 or 50 years. But certainly games and why not any other interactions could be done with VR.


And it would be a different world that we'd all, you know, in some ways be as rich as we wanted. You know, we could have castles and I could be traveling anywhere we want and it could obviously be multisensory. So that would be they'll be possible. And there's people you know, you've had Elon Musk on and others. You know, there are people Nick Bostrom makes the simulation argument that maybe we are already there, already there.


So but but in general or do you not even think about in this kind of way, your self critically thinking, how good are you as an economist at predicting what the future looks like when it starts getting I mean, I feel reasonably comfortable the next five, 10, 20 years in terms of that path.


When you start getting truly superhuman artificial intelligence, kind of by definition, be able to think of a lot of things that I wouldn't have thought of and create a world that I couldn't even imagine.


And so I'm not sure I can I can predict what that world is going to be like. One thing that I researchers, safety researchers worry about is what's called the alignment problem. When an A.I. is that powerful, then they can do all sorts of things.


We really hope that their values are aligned with our values. And it's even tricky defining what our values are. I mean, first off, we all have different values. And secondly, maybe if we were smarter, we would have better values. Like, you know, I like to think that we have better values than we did in 1860 and or in the year two hundred B.C. on a lot of dimensions, things that we consider barbaric today. And it may be that if I thought about it more deeply, I would also be morally involved.


Maybe I'd be a vegetarian or or do other things that that right now, whether my future self would consider kind of a moral.


So that's a tricky problem, getting the AI to do what we want, assuming it's even a friendly I mean, I should probably mention there's a non-trivial other branch where we destroy ourselves. Right? I mean, there's a lot of exponentially improving technologies that could be ferociously destructive, whether it's a nanotechnology or biotech and weaponized viruses, AI and other things, nuclear weapons, nuclear weapons. Of course, the old school technology, the good old good old nuclear weapons that could could be devastating or even existential new things yet to be invented.


So that's a branch that. You know, I think this is pretty significant and there are those who think that one of the reasons we haven't been contacted by other civilizations, right. Is that is that once you get to a certain level of complexity in technology, there's just too many ways to go wrong. There's a lot of ways to blow yourself up. And people, or I should say species, end up falling into one of those traps, the great filter, the great filter.


I mean, there's an optimistic view of that. If there is literally no intelligent life out there in the universe or at least in our galaxy, that means that we've passed at least one of the great filters or some of the great filters that we survived.


Well, no, I think it is Robert Hanssen is a good way of maybe they have a good way of thinking about this, that if there are no other intelligence creatures out there and that to be able to detect one possibility is that there's a filter ahead of us. And when you get a little more advanced, maybe in one hundred or a thousand or ten thousand years, things just get destroyed for some reason. Yeah. The other one is the great filters behind us.


They'll be good is that most planets don't even evolve life, or if they don't evolve life, they don't involve intelligent life. Maybe we've gotten past that. And so now maybe we're on the good side of the of the Great Filter.


So if we sort of rewind back and look at the the thing where we could say something a little bit more comfortably at five years and 10 years out. You've written about. Jobs and the impact on sort of our economy and the jobs in terms of artificial intelligence, that might it might have. It's a fascinating question of what kind of jobs are safe, what kind of jobs are not. You maybe speak to your intuition about how we should think about changing the landscape of work?


Sure. Absolutely. Well, this is a really important question because I think we're very far from artificial general intelligence, which is AI that can just do the full breadth of what humans can do. But we do have human level or superhuman level, narrow intelligence, neuro artificial intelligence. And obviously my calculator can do math a lot better than I can. There's a lot of other things machines can do better than I can. So which is which we actually set out to address that question with Tom Mitchell, I wrote a paper called What Can Machine Learning Do?


Those was in science. And we went and interviewed a whole bunch of A.I. experts and kind of synthesized what they thought machine learning was good at and wasn't good at. And we came up with we called a rubric basically a set of questions you can ask about any task that will tell you whether it's likely to score high or low on suitability for machine learning. And then we've applied that to a bunch of tasks in the economy. In fact, there's a data set of all the tests in the US economy believe what's called onat the US government put it together, the Bureau of Labor Statistics.


They divide the economy into about nine hundred and seventy occupations like bus driver, economist, primary school teacher, radiologist, and then for each one of them, they describe which tasks need to be done. Like for radiologists, there are twenty seven distinct tasks. So we went through all those tasks to see whether or not a machine could do them. And what we found, interestingly, was brilliant study, whether that's so awesome.


Yeah, thank you.


So what we found was that there was no occupation in our data set were machine learning, just ran the table and did everything and there was almost no occupation or machine learning, didn't have like a significant ability to do things like take radioshow. A lot of people I hear it saying, you know, at the end of radiology and one of the twenty seven tasks is read medical images, really important one like it's kind of a court job and machines have basically gotten as good or better than radiologists.


There's just an article in Nature last week. But, you know, they've been publishing them for the past few years showing that machine learning can do as well as humans on many kinds of diagnostic imaging tasks. But other things radiologists do, they sometimes administer conscious sedation. They sometimes do physical exams. They have to synthesize the results to explain to the other doctors or to the patients in all those categories. Machine learning isn't really up to snuff yet. So that job, we're going to see a lot of restructuring parts of the job.


They'll hand over to machines, others humans will do more of that's been more or less the pattern. So, you know, to oversimplify a bit, we see a lot of restructuring, reorganization of work, and it's really going to be a great time. It is a great time for smart entrepreneurs and managers to to do that reinvention of work, not going to see mass unemployment. To get more specifically to your question, the kinds of tasks that machines tend to be good at are a lot of routine problem solving, mapping inputs into outputs.


Why do you have a lot of data on the X's and the whys, the inputs and outputs? You can do that kind of mapping and find the relationships they tend to not be very good at. Even now, fine motor control and dexterity, emotional intelligence and human interactions and thinking outside the box, creative work.


If you give it a well structured task, machines can be very good at it. But even asking the right questions, that's hard. There's a quote that Andrew McAfee and I used in our book, Second Machine Age. Apparently, Pablo Picasso was shown in Early Computer and he came away kind of unimpressed. He goes, well, see, all the fuss is all that does is answer questions. And, you know, to him, the interesting thing was asking the questions.


Yeah, try to replace me three. Dario, you know, some people think I'm a robot.


You have this cool plot that shows.


I just remember where economists Lin where I think the X axis is the income. Yes. And then the Y axis, I guess, aggregating the information of how replaceable the job is or I think there's an ability for machine learning index. Exactly. So we have all nine hundred and seventy occupations to calculate. And there's Gotterson. All in all, Four Corners have some occupations, but there is a definite pattern, which is the lower wage occupations tend to have more tasks that are suitable for machine learning, like cashiers.


I mean, we've gone to a supermarket or CVS knows that they only read barcodes, but they can recognize you. An apple and an orange and and a lot of things.


Cashiers, humans, you. Would be needed for at the end of this other end of the spectrum, there are some jobs like airline pilot that are among the highest paid in our economy, but also a lot of them are suitable for machine learning. A lot of those tasks are. And then, yeah, you mentioned economist. I couldn't help speaking at those. And they're paid a fair amount, maybe not as much as some of us think they should be, but but they have some task.


They're still for machine learning. But for now at least, most of the task the economists do are didn't end up being in that category. And I didn't like create that data. We just took we took the analysis and that's what came out of it. And over time, that scatterplot will be updated as the technology improves. But it was just interesting to see the pattern there. And it is a little troubling insofar as if you just take that technology as it is today, it's likely to worsen income inequality and a lot of dimensions.


So on this topic of the effect of I and our.


And a landscape of work, one of the people that have been speaking about it in the public domain public discourse is the presidential candidate, Andrew Young. Yeah. What are your thoughts about Andrew? What are your thoughts about UBI, that universal basic income that he made? One of the core idea, by the way, he has like hundreds of ideas about like everything is kind of interesting. Yeah, but what are your thoughts about him and what are your thoughts about UBI?


Let me answer the question about his broader approach. First, I mean, I just love that he's really thoughtful, analytical. I agree with his values, so that's awesome. And he read my book and mentions that sometimes it makes me even more exciting.


And the thing that he really made the centerpiece of his campaign was UBI. And I was originally kind of a fan of it. And then as I studied it more, I became less of a fan, although beginning to come back a little bit. So let me tell you a bit of my evolution as an economist. We have by looking at the problem of people not having enough income. And the simplest thing is, well, when we write them a check.


Problem solved. But then I talk to my sociologist friends and people, and they really convinced me that just writing a check doesn't really get at the core values. Voltaire once said that work solves three great ills boredom, vice and need. And you can deal with the need thing by writing a check. But people need a sense of meeting, meaning they need something to do. And when you say steel workers or coal miners lost their jobs and we're just given checks, alcoholism, depression, divorce, all those social indicators, drug use all went way up.


People just weren't happy just sitting around collecting a check. Maybe it's part of the way they were raised. Maybe it's something innate in people that they need to feel wanted and needed. So it's not as simple as just writing people a check.


You need to also give them a way to have a sense of purpose. And that was important to me. And the second thing is that, as I mentioned earlier, you know, we are far from the end of work. You know, I don't buy the idea that there's just not enough work to be done. I think our cities need to be cleaned up and robots can't do most of that know. We need to have better childcare. We need better health care.


We need to take care of people who are mentally ill or older. We need to prepare our roads. There's so much work that require, at least partly, maybe entirely a human component. So rather than like write all these people off, we'll find a way to repurpose them and keep them engaged. Now, that said, I would like to see more buying power from people who are sort of at the bottom end of the spectrum. The economy has.


Been designed and evolved in a way that I think very unfair to a lot of hard working people, I see super hard working people aren't really seeing their wages grow over the past 20, 30 years, while some other people who have been super smart and or super lucky have have had, you know, have made billions or hundreds of billions. And I don't think they need those hundreds of billions to have the right incentives to invent things. I think if you talk to almost any of them, as I have, you know, they don't think that they need an extra 10 billion dollars to to do what they're doing.


Most of them probably would love to do it for only a billion or maybe for nothing.


For nothing. Many of them. I mean, an interesting point to make is do we think that Bill Gates would have founded Microsoft if tax rates were 70 percent? Well, we know he would have because they were tax rates of 70 percent when found it. You know, so I don't think that's as big a deterrent. And we could provide more buying power to people. My own favorite tool is the Earned Income Tax Credit, which is basically a way of supplementing income of people who have jobs and giving employers an incentive to hire even more people.


The minimum wage can discourage employment, but the Earned Income Tax Credit encourages employment by supplementing people's wages. If the employer can only afford to pay them ten dollars for a task, the rest of us pick and kick in another five or ten dollars and bring your wages up to 15 or 20 total and then they have more buying power, then entrepreneurs are thinking, how can we cater to them? How can we make products for them? And it becomes self reinforcing system where people are better off enjoying.


And I had a good discussion where he suggested instead of a universal basic income, he suggested instead of an unconditional basic income, how about a conditional basic income where the condition is you learn some new skills. We need to reskill our workforce. So let's make it easier for people to find ways to get those skills and get rewarded for doing them. That's kind of a neat idea as well.


That's really interesting. So, I mean, one of the questions, one of the dreams of UBI is that you provide some little safety net while you retrain, while you're learning new skills. But like, I think I guess you're speaking to the intuition that that doesn't always like there needs to be some incentive to reskill, to train, to learn new things. I think it helps.


I mean, there are lots of self-motivated people, but there are also people that maybe a little guidance or help. And and I think it's a really hard question for someone who is losing a job in one area to know what is the new area. I should be learning skills and we could provide a much better set of tools and platforms. That map said, OK, here's a set of skills you already have. Here's something that's in demand. Let's create a path for you to go from where you are to where you need to be.


So I'm a total how do I put it nicely about myself? I'm totally clueless about the economy. It's not totally true, but a pretty good approximation if you were to try to fix our tech tax system. And or maybe from another side, if there is fundamental problems in taxation or some fundamental problems about our economy, what would you try to fix? What would you try to speak to? You know, I definitely think our whole tax system, our political and economic system has gotten more and more screwed up over the past 20, 30 years.


I don't think it's that hard to make headway in improving it. I don't think we need to totally reinvent stuff. A lot of it is what elsewhere with Andy and others called Economics 101. You know, there's just some basic principles that have worked really well in the 20th century that we sort of forgot in terms of investing in education, investing in infrastructure, welcoming immigrants, having a tax system that was more progressive and fair. At one point, tax rates were on top, incomes were significantly higher, and they've come down a lot to the point where in many cases they're lower now than they are for for poor people.


So and we could do things like an earned income tax credit to get a little more wonky. I'd like to see more Pegula in taxes. What that means is you tax things that are bad instead of things that are good. So right now, we tax labor, we tax capital. And which is unfortunate because one of the basic principles of economics, if you tax something, you tend to get less of it.


So right now, there's still work to be done and still capital to be invested in. But instead we should be taxing things like pollution and congestion. And if we did that, we would have less pollution. So a carbon tax is that almost every economist would say it's a no brainer whether they're Republican or Democrat. Greg Mankiw, who is head of George Bush's Council of Economic Advisers, or or Dick Schmalensee, who is another Republican economist, agree. And of course, a lot of Democratic economists agree as well.


If we taxed carbon, we could raise hundreds of billions of dollars. We could take that money and redistribute it through an earned income tax credit or other things so that overall our tax system would become more progressive. We could tax congestion. One of the things that kills me as an economist is every time I sit in a traffic jam, I know that it's completely unnecessary. This is a complete waste of time.


You just visualize the cost and productivity of all the productive because they are taking cost from me and all the people around me. And if they charged a congestion tax, they would take that same amount of money and people would it would streamline the roads. Like when you're in Singapore, the traffic just flows because they have a congestion tax. They listen to economists. They invited me and others to go talk to them.


And then I'd still be paying I'd be paying a congestion tax instead of paying in my time. But that money would not be available for health care to be available for infrastructure or be available to give to people so they could buy food or whatever. So it's just it saddens me when we sit when you're sitting in traffic jam, it's like taxing me and then taking that money and dumping in the ocean, just like destroying it. So there are a lot of things like that that economists and I'm not I'm not like doing anything radical here.


Most economists would probably agree with me point by point on these things, and we could do those things and our whole economy become much more efficient. To become fair, invest in R&D and research, which is close to a free lunch is what we have. My erstwhile MIT colleague, Bob Soula, got the Nobel Prize not yesterday, but three years ago for describing that most improvements in living standards come from tech progress. And Paul Romer later got a Nobel Prize for noting that investments in R&D and human capital can speed the rate of tech progress.


So if we do that, then we'll be healthier and wealthier from an economic perspective.


I remember taking an undergrad econ econ one to one. It seemed from all the plus I saw that R&D and as close to free lunches as we have. It seemed like obvious that we should do more research. It is like what?


What like I don't know what we should do. Basic research. I mean, let me just be clear. If everybody did more research and I would make this applied development versus basic research, so apply development like how do we get this this self-driving car future to work better in the Tesla? That's great for private companies because they can capture the value of that. If they make a better self-driving car system, they can sell cars that are more valuable and then make money.


So there's an incentive that there's not a big problem there. And smart companies, Amazon, Tesla and others are investing it. The problem is with basic research like coming up with core basic ideas, whether it's in nuclear fusion or artificial intelligence or biotech there. If someone invents something, it's very hard for them to capture the benefits from. It's shared by everybody, which is great in a way, but it means that they're not going to have the incentives to put as much effort into it.


There you need. It's a classic. Public good there, you need the government to be involved and the US government used to be investing much more in R&D, but we have slashed that part of the government really foolishly and we're all poorer, significantly poorer. As a result, growth rates are down. We're not having the kind of scientific progress we used to have. It's been sort of a short term. Eating the seed, corn, whatever metaphor you want to use, where people grab some money, put it in their pockets today, but five, 10, 20 years later, they're a lot poorer than they otherwise would have been.


So we're living through a pandemic right now globally and in the United States from an economic perspective, how do you think this pandemic will change the world? It's been remarkable. And, you know, it's horrible how many people have suffered that amount of death, the economic destruction. It's also striking just the amount of change in work that I've seen in the last 20 weeks. I've seen more change than there were in the previous 20 years. There's nothing like it since probably the World War Two mobilization in terms of reorganizing our economy.


The most obvious one is the shift to remote work. And I and many other people stopped going into the office and teaching my students in person, just studying this with a bunch of colleagues at MIT and elsewhere.


And what we found was that before the pandemic, at the beginning of twenty twenty, about one in six, a little over 15 percent of Americans were working remotely when the pandemic hit that grew steadily and hit 50 percent, roughly half of Americans working at home.


So a complete transformation. And of course, it wasn't even it wasn't like everybody did it. If you're an information worker, professional, if you work mainly with data, then you're much more likely to work at home. If you a manufacturing worker working with other people or physical things, then it wasn't so easy to work at home. And instead those people were much more likely to become laid off or unemployed. So it's been something that has had very disparate effects on different parts of the workforce.


Do you think do you think it's going to be sticky in a sense that after the vaccine comes out and the economy reopens, do you think remote work will continue? That's a great question.


I my hypothesis is, yes, a lot of it will. Of course, some of it will go back, but a surprising amount of it will stay. I personally, you know, for instance, I move my seminars, my academic seminars to zoom, and I was surprised how well it worked. So, yeah, I mean, obviously we were able to reach a much broader audience. So we have people tuning in from Europe and other countries just all over the United States, for that matter.


I also actually found that in many ways is more egalitarian. You know, we use the chat feature and other tools and grad students and others who might have been a little shy about speaking up. We now kind of have more of a ability for lots of voices and they're answering each other's questions. So you kind of get parallel. Like if someone had some question about some of the data or a reference or whatever, that someone else in the chat would answer it and the whole thing just became like a higher bandwidth, higher quality thing.


So I thought that was kind of interesting. I think a lot of people are discovering that these tools that thanks to to technologies have been developed over the past decade, there are a lot more powerful than we thought.


I mean, all the terrible things we've seen with covid and the real failure of many of our institutions that I thought would work better. One area that's been a bright spot is our technologies. You know, bandwidth has held up pretty well and all of our email and other tools have just scaled up kind of gracefully.


So that's been that's been a plus. Economists call this question of whether we'll go back a hysteresis. The question is like when you boil an egg after it gets cold again, it stays hard. And I think that we're going to have a fair amount of hysteresis in the economy. We're going to move to this new we have moved to a new remote work system and it's not going to snap all the way back to where it was before.


One of the things that worries me. Is that the people with lots of followers on Twitter and people with voices, people that can voices that can be magnified by, you know, reporters and all that kind of stuff, are the people that fall into this category that we were referring to just now where they can still function and be successful with remote work. And then there is a kind of quiet, quiet suffering of what feels like millions of people whose jobs are disturbed profoundly by this pandemic.


But they don't have many followers on Twitter.


What do we. And and again, I apologize, but I've been reading the rise and fall of the Third Reich and there's a connection to the depression on the American side. There's a deep, complicated connection to how suffering can turn. Into forces that potentially changed the world and in destructive ways. So it's something I worry about, like what is the suffering going to materialize itself in five, 10 years? Yeah, that's something you worry about. Think about.


It's like the center of what I worry about and let me break it down to two parts. There's a moral and ethical aspect to it. We need to relieve this suffering. I mean, I'm I'm sure the values of I think most Americans would like to see shared prosperity are most people on the planet. And we would like to see people not falling behind.


And they have fallen behind, not just due to covid, but in the previous couple of decades, median income has barely moved, you know, depending on how you measure it. And the incomes of the top one percent have have skyrocketed and are part of that is due to the ways technology has been used. Part of it's been due to frankly, our political system has continually shifted more wealth to those people who have the powerful interest. So there's just, I think, a moral imperative to do a better job.


And ultimately, we're all going to be wealthier if more people can contribute, more people have the wherewithal. But the second thing is that there's a real political risk.


And I'm not a political scientist, but you have to be one, I think, to see how a lot of people are really upset with. They're getting a raw deal and they are going to you know, they want to smash the system in different ways in twenty, sixteen and twenty eighteen. And now I think there are a lot of people who are looking at the political system and they feel like it's not working for them and they just want to do something radical.


Unfortunately, demagogues have harnessed that in a way that is pretty destructive to the country. And an analogy I see is what happened with trade. You know, almost every economist thinks that free trade is a good thing, that when two people voluntarily exchange, almost by definition, they're both better off if it's voluntary and to generally trade is a good thing. But they also recognize that trade can lead to uneven effects, that there can be winners and losers in some of the people who didn't have the skills to compete with somebody else or didn't have other assets.


And into trade can shift prices in ways that are averse to some people. So there's a formula that economists have, which is that you have free trade, but then you compensate the people who were hurt. And free trade makes the pie bigger. And since the pie is bigger, it's possible for everyone to be better off. You can make the winners better off, but you can also compensate those who don't win. And so they end up being better off as well.


What happened was that we didn't fulfill that promise. We did have some more increased free trade in the 80s and 90s, but we didn't compensate the people who were hurt. And so they felt like the you know, the people in power reneged on the bargain. And I think they did. And so then we there's a backlash against trade. And now both political parties, but especially Trump and Co., have really pushed back against free trade. Ultimately, that's bad for the country.


Ultimately, that's bad for living standards. But in a way, I can understand that people felt they were betrayed. Technology has a lot of similar characteristics. Technology can make us all better off. It makes the pie bigger. It creates wealth and health, but it can also be uneven. Not everyone automatically benefits. It's possible for some people, even a majority of people, to get left behind. While a small group benefits what most economists would say, well, let's make the pie bigger, but let's make sure we adjust the system so we compensate the people who are hurt.


And since the pie is bigger, we can make the rich richer, we can make the middle class richer. We can make the poor richer. Mathematically, everyone could be better off. But again, we're not doing that. And again, people are saying this isn't working for us. And again, instead of fixing the distribution, a lot of people are beginning to say, hey, technology sucks, we've got to stop it. Let's throw rocks at the Google bus.


Let's blow it up. Let's blow it up. And there were the Luddites almost exactly two hundred years ago who smashed the looms and the spinning machines because they felt like those machines weren't helping them. We have a real imperative not just to do the morally right thing, but to do the thing that is going to save the country, which is make sure that we create not just prosperity, but shared prosperity. So you've been in that city for over 30 years.


Oh, I don't know how old I am now. That's true. That's true.


And you're now moved to Stafford.


I'm going to try not to say anything about how great I might is. What's that move been like? What? It's East Coast. The West Coast. It is great. Mitt has been very good to me. It continues to be very good to me. It's an amazing place. There's so many amazing friends and colleagues there. I'm very fortunate to have been able to spend a lot of time at MIT. Stanford is also amazing and part of what attracted me out here was not just the weather, but also, you know, Silicon Valley, let's face it, is really more of the epicenter of the technological revolution.


And I want to be close to the people who are inventing I and elsewhere. A lot of it is being invested in MIT, for that matter, in Europe and China and elsewhere India. But but being a little closer to some of the key technologies was something that was important to me and and, you know, may be shallow, but I also do enjoy the good weather.


And, you know, I felt a little ripped off when I came here a couple of months ago. And immediately there are the fires and my eyes were burning. The sky was orange and there's the heat waves and, you know, so it wasn't exactly what I've been promised, but I'm fingers crossed it'll it'll get back to better maybe. In a brief aside, there's been some criticism of academia and universities and different avenues. And I as a person who's gotten to enjoy universities from the the pure playground of ideas that it can be.


Always kind of try to find the words to tell people that these are magical places. Is there something that you can speak to that is beautiful or powerful about universities? Well, sure.


I mean, first off, I mean, economists have this concept called revealed preference. You can ask people what they say or you can watch what they do. And so obviously by reveal preferences, I love academia here. I could be doing lots of other things, but it's something I enjoy a lot. And I think the word magical is exactly right. At least it is for me.


I do what I love.


You know, hopefully my dream won't be listening, but I would do this for free. You know, it's it's just what I like to do. I like to do research. I love to have conversations like this with you and with my students, with my fellow colleagues. I love being around the smartest people I can find and learning something from them and having them challenge me. And that just gives me gives me joy. And every day I find something new and exciting to work on.


And a university environment is really filled with other people who feel that way. And so I feel very fortunate to be part of it. And I'm lucky enough that I'm in a society where I can actually get paid for it and put food on the table while doing the stuff that I really love. And I hope someday everybody can have jobs that are like that. And I appreciate that. It's not necessarily easy for everybody to have a job that they both love and also they get paid for.


So there are things that don't go well in academia. But by and large, I think it's a kind of kinder, gentler version of a lot of the world. You know, we sort of cut each other a little slack on things like, you know, on just a lot of things. You know, of course, there's harsh debates and discussions about things and some petty politics here and there. I personally try to stay away from most of that sort of politics.


That's not my thing. And so it doesn't affect me most of the time. Sometimes a little bit maybe.


But but being able to pull together something, we have the digital economy lab. We get all these brilliant grad students and undergraduates and postdocs that are just doing the stuff that I learn from. And every one of them has some aspect to what they're doing. That's just I couldn't even understand. It's way, way more brilliant. And it's that's really to me, actually, I really enjoy that being in a room with lots of other smart people. And and Stanford has made it very easy to attract those people.


I just say I'm going to do a seminar or whatever, and the people come they come and want to work with me. We get funding, we get data sets, and it's it's come together real nicely. And the rest is just fun.


It's fun. Yeah. And we feel like we're working on important problems, you know, and we're doing things that, you know, I think are our first order in terms of what's important in the world. And that's very satisfying to me. Maybe a bit of a fun question, what three books, technical fiction, philosophical you've enjoyed, had a big impact in your life?


Well, I guess I go back to, like, my my teen years and I read Siddartha, which is a philosophical book and kind of helps keep me keep me centered. I hermanus exactly. Don't get too wrapped up in material things or other things and just sort of try to find peace on things. A book that actually influenced me a lot in terms of my career was called The Worldly Philosophers by Robert Brenner. It's actually about economists. It goes through a series of different causes.


Written are very lively form and it probably sounds boring, but it did describe whether it's Adam Smith or Karl Marx or John Maynard Keynes and each of them sort of what their key insights were, but also kind of their personalities. And I think that's one of the reasons I became an economist, was was just understanding how they grapple with the big questions of the world.


So would you recommend it as a good whirlwind overview of the history of economics?


Yeah, yeah, I think that's exactly right. And kind of takes you through the different things. And, you know, you can understand how they reached thinking. Some of the strengths and weaknesses I would probably is a little out of date now and needs to be updated a bit. But, you know, you could at least look at through the first couple hundred years of economics, which is not a bad place to start. More recently, I mean, a book I really enjoyed is by my my friend and colleague Max Tegmark called Life 3.0.


You should have on your podcast if you haven't already.


It was episode number one. Oh, my God. And he's back. He'll be back. He'll be back soon. Yeah.


No, he's terrific. I love the way his brain works and he makes you think about profound things. He's got such a joyful approach to life. And so that's been a great book. And you learn I learn a lot from it. I think everybody explains it in a way, even though he's so brilliant that everyone can understand that. I can understand, you know, that's three. But let me mention maybe one or two others. I mean, I recently read more from last by my sometimes co-author, Andrew McAfee.


It made me optimistic about how we can continue to have rising living standards while living more lightly on the planet. In fact, because of higher living standards, because of technology, because of digitization that I mentioned, we don't have to have as big an impact on the planet. And that's a great story to tell. And he documents it very carefully.


Uh. You know, a personal kind of self-help book that I'm kind of useful people is atomic habits. I think it's what's his name? James Clear. Yeah, he's just yeah, it's a good name because he writes very clearly. And, you know, most of the sentences I read in that book I like. Yeah, I know that. But it just really helps to have somebody like remind you and tell you and kind of just reinforce it and so build habits in your life that you hope to have that have a positive impact and don't have to make it big things.


It can be just a tiny little comic. It's a little bit of a pun, I think. He says one atomic bomb is a really small you to take these little things, but also like atomic power, it can have, like, you know, its big impact as well.


Yeah, the biggest ridiculous question, especially to ask an economist, but also a human being, what's the meaning of life?


I hope you've gotten the answer that from somebody. I think we're all still working on that one. But what is it? You know, I actually learned a lot from my son Luke, and he's he's 19 now, but he's always loved philosophy. And he reached way more sophisticated philosophy than I do. I went took him to Oxford and he spent the whole time, like pulling all these obscure books down and reading them.


And a couple of years ago, we had this argument and he was trying to convince me that hedonism was the ultimate meaning of life, just pleasure seeking.


And how old was he at the time? 17. But he made a really good intellectual argument for it, too. And I just didn't strike me as right.


And I think that, you know, while I am kind of utilitarian, like, you know, I do think we should do the greatest good for the greatest. No, that's just too shallow. And I think I've convinced myself that real happiness doesn't come from seeking pleasure. It's kind of a little it's ironic. Like if you really focus on being happy, I think it doesn't work. You've got to, like, be doing something bigger. It's I think the analogy I sometimes use is, you know, when you look at a dim star in the sky, if you look right at it, it kind of disappears.


But you have to look a little to the side. And then the parts of your your retina that are better at absorbing light can pick it up better as the same thing with happiness. I think you need to sort of find something other goal, something some meaning in life, and that ultimately makes you happier than if you go squarely at just pleasure. And so for me, you know, the kind of research I do that I think is trying to change the world, make the world a better place.


And I'm not like an evolutionary psychologist, but my guess is that our brains are wired not just for pleasure, but we're social animals and we're wired to, like, help others. And ultimately, you know, that's something that's really deeply rooted in our psyche. And if we do help others, if we do or at least feel like we're helping others, you know, our reward systems kick in and we end up being more deeply satisfied than if we just do something selfish and shallow, beautifully put.


I don't think there's a better way to end it. Eric, you're one of the people when I first showed up at MIT, they made me proud to be an MIT. So, so sad that you're now a Stanford. But as I'm sure you'll do wonderful things at Stanford as well, I can't wait till future books and people should definitely read.


Well, thank you so much. And I think we're all we're all part of the invisible college, as we call it. We're all part of this intellectual and human community where we all can learn from each other. It doesn't really matter physically where we are so much anymore. Beautiful. Thanks for talking to me.


My pleasure. Thanks for listening to this conversation with Erik Brynjolfsson and thank you to our sponsors. And Sarah watches the maker of classI while performing watches for Stigmatic, the maker of Delicious Mushroom Coffee Express EPN, the VPN I've used for many years to protect my privacy and Internet and cash up the app. I used to send money to friends to check out the sponsors and the description to get a discount and to support this podcast. Fejo this thing subscribe on YouTube review starting up a podcast.


Follow on Spotify sporran Patrón or connect with me on Twitter Leks Friedman. And now let me leave you some words from Albert Einstein. It has become appallingly obvious that our technology has exceeded our humanity. Thank you for listening and hope to see you next time.