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Although I am very interested in the subject of human misjudgment and Lord knows I've created my well a good bit of it. I don't think I've created my full statistical share. And uh I think that one of the reasons was the I tried to do something about this terrible ignorance I left the Harvard Law School with when I saw this patterned irrationality which was so extreme. And I had no theory or anything to deal with it. But I could see that it was extreme and I could see that it was patterned. I just started to create my own system of psychology uh partly by casual reading but largely from personal experience and I used that pattern to help me get through life. Fairly late in life I stumbled into this book influence by a psychologist named Bob Seelini who became a super tenured hot shot on a 2,000 person faculty at a very young age. uh and he wrote this book which has now sold 300 odd thousand copies which is remarkable for uh semi well it's a academic book aimed at a popular audience and uh and that filled in a lot of holes in my crude system and when those holes had filled in I uh I thought I had a system that was a good working tool and I'd like to uh share that one with you and I came here Because behavioral economics, how could economics not be behavioral? If it isn't behavioral, what the hell is it? Uh and uh I think it's fairly clear that all reality has to respect all other reality. If you come to inconsistencies, they have to be resolved. And uh so the idea of if there's anything valid in psychology, economics has to recognize it and vice versa. So I think the people that are working on this fringe between economics and psych and psychology are absolutely right to be there. And I think there's been plenty wrong over the years. Well, let me romp through my as much of this list as I have time to get through. 24 standard causes of human misjudgment. first under recognition of the power of what psychologists call reinforcement and economic and economists call incentives. Well, you can say everybody knows that. Well, I think I've been in the top 5% of my age cohort all my life in understanding the power of incentives and all my life I've underestimated it and never a year passes but I get some surprise that push pushes my limit a little farther. So, one of my favorite cases about the power of incentives, power of incentives is the Federal Express case where heart and soul of the integrity of the system is that all the packages have to be shipped rapidly in one central location each night. And the system has no integrity if the whole shift can't be done fast. And Federal Express had one hell of a time getting the thing to work. And they tried moral persuasion. They tried everything in the world. And finally, somebody got the happy thought that they were paying the night shift by the hour and that maybe if they paid them by the shift, the system would work better. And lo and behold, that solution worked. Early in the history of Xerox, Joe Wilson, who was then in the government, had to go back to Xerox because he couldn't understand why their better new machine was selling so poorly in relation to their older and inferior machine. Of course, when he got there, he found out that the commission arrangement with the salesman gave a tremendous incentive to the inferior machine. And uh here at Harvard in the shadow of BF Skinner, uh there was a man who really was into reinforcement as a powerful as a powerful thought. And you know, Skinner has lost his reputation in a lot of places, but if you were to analyze the entire history of experimental science at Harvard, he'd be in the top handful. His experiments were very ingenious. The results were counterintuitive and they were important. It is not given to experimental science to do better. What gummed up Skinner's reputation is that he developed a case of what I always call man with a hammer syndrome. To the man with a hammer, every problem tends to look pretty much like a nail. And Skinner had one of the more extreme cases in the history of academia. And this syndrome doesn't exempt bright people. It's just a man with a hammer. And Skinner is a extreme example of that. And uh later as I go down my list, let's go back and try and figure out why people like Skinner get man with a hammer syndrome. Incidentally, when I was at the Harvard Law School, there was a professor naturally at Yale who uh was derisively discussed at Harvard and they used to say, "Poor old Blanchard, he thinks declaratory judgments will cure cancer." And that's the way Skinner got. And uh and not only that he got very uh he was literary and he scorned opponents who had any different way of thinking or thought anything else was important. This is not a way to make a lasting reputation if the other people turn out to also be doing something important. My second factor is simple psychological denial. This first really hit me between the eyes when a friend of our family had a super athlete, super student son who flew off a carrier in the North Atlantic and never came back. And his mother, who had was a very sane woman, just never believed he was dead. And of course, if you turn on the television, you find the mothers of the most obvious criminals that man could ever diagnose. And they all think their sons are innocent. uh simple psychological denial. The reality is too painful to bear. So you just distort it until it's bearable. We all do that to some extent and uh it's a common psychological misjudgment. It causes terrible problems. Third, incentive caused bias both in one's own mind and that of one's trusted advisor where it creates what economists call agency costs. here. My early experience was a doctor who sent bushel baskets full of normal gallbladders down to the pathology lab in a leading hospital in Lincoln, Nebraska. And with that quality control for which community hospitals are famous, about 5 years after he should have been removed from the staff, he was. And uh the one of the old doctors who participated in the removal was also a family friend. And I asked him, I said, "Tell me, did he think here's a way for me to exercise my talents." This guy was very skilled technically and uh and make a high living by doing a few mamings and murders every year along with some frauds. He said, "Hell no, Charlie." He thought that the gallbladder was the source of all medical evil and that if you really loved your patients, you couldn't get that organ out rapidly enough. Uh now that's an extreme case but in lesser strength it's present in every profession and in every human being and uh it causes perfectly terrible behavior. If you take sales presentations of brokers of commercial real estate and business businesses I'm 70 years old. I've never seen one I thought was even within hailing distance of objective truth. And if you want to talk about the power of incentives and the power to rationalize terrible behavior after the defense department had enough experience with cost plus percentage of cost contracts. The reaction of our republic was to make it a crime for the federal government to write one. And not only a crime but a felony. And by the way, the government's right. And uh but a lot of the way the world is run, including most law firms. And a lot of other places, they've still got a cost plus percentage of cost system. And human nature with its version of what I call incentive caused bias causes this terrible abuse. And many of the people who are doing it, you would be glad to have Mary into your family compared to what you're otherwise going to get. Now there are huge implications from the fact that human mind is put together this way and that is that people who create things like cash registers which make misbehavior hard are some of the effective saints of our civilization. And the cash register was a great moral instrument when it was created. And uh and Patterson knew that by the way he had a little store and people were stealing him blind and never made any money and people sold him a couple of cash registers and it went to profit immediately and of course he closed the store and went into the cash register business and uh with results which are so this is a huge important thing. If you read the psychology text, you will find that if they're a thousand pages long, there's one sentence. Somehow incentive caused bias has escaped the standard survey course in psychology. Fourth, and this is a superpower in error causing psychological tendency. Bias from consistency and commitment tendency, including the tendency to avoid or promptly resolve cognitive dissonance, includes the self-confirmation tendency of all conclusions, particularly express conclusions, and with a special persistence for conclusions that are hard one. But what I'm saying here is that the human mind is a lot like the human egg. And the human egg has a shut off device. when sperm gets in, it shuts down so the next one can't get in. The human mind has a big tendency of the same sort. And here again, it doesn't just catch ordinary mortals, it catches the deans of physics. According to Max Plank, the really innovative, important new physics was never really accepted by the old guard. Instead, a new guard came along that was less brain blocked by its previous conclusions. And if Max Planck's crowd had this consistency and commitment tendency that kept their old illusions intact in spite of disisconfirming evidence, you can imagine what the crowd that you and I are part of behaves like. Uh and of course, if you make a public disclosure of your conclusion, you're pounding it in to your own head. many of these students that are screaming at us, you know, they aren't convincing us, but they're they're forming mental chains for themselves because what they're shouting out, they're pounding in. And uh and I think educational institutions that create a climate where too much of that goes on are uh in a fundamental sense, they're irresponsible institutions. Uh it's very important to not put your brain in chains too young by what you shout out. uh and all these things like painful qualifying and initiation rituals and all those things pound in your commitments and your ideas and uh the Chinese brainwashing system which was for war prisoners which was way better than anybody else's. They maneuvered people into making tiny little commitments and declarations and then they'd slowly build. That worked way better than torture. Uh, sixth, bias from Pavlovian association, misconstring past correlation as a reliable basis for decision-making. I never took a course in psychology or economics either for that matter. And uh, but I did learn about Pavlof in high school biology and uh, and the way they taught it, you know, so the dog salivated when the bell rang. So what, you know, nobody made the least effort to tie that to the wide world. Well, the truth of the matter is that Pavlovian association is an enormously powerful psychological force in the daily life of all of us. And indeed in economics, we wouldn't have money without the role of so-called secondary reinforcement, which is a pure psychological uh phenomenon demonstrated in the in the laboratory. Practically, I'd say 3/4 of advertising works on pure Pavlov. I mean, think how association, pure association works. Take Coca-Cola Company where we're the biggest shareholder. They want to be associated with every wonderful image, heroics in the Olympics, wonderful music, you name it. They don't want to be associated with president's funerals and so forth. When have you seen a Coca-Cola? add and the association really works and all these psychological tendencies work largely or entirely at a on a subconscious level which is which makes them very insidious. Then you've got Persian messenger syndrome. The Persians really did kill the messenger who brought the bad news. You think that is dead? I mean you should have seen Bill Paley in his last 20 years. He didn't hear one damn thing he didn't want to hear. people knew that it that it was bad for the messenger to bring Bill Paley things he didn't want to hear. Well, that means that the leader gets in an cocoon of unreality and it's a great big enterprise and boy did he make some dumb decisions in the last 20 years and no Persian me messenger syndrome is alive and well. When I saw some years ago Arco and Exxon arguing over a few hundred millions of ambiguity in their North Slope treaties before a superior court judge in Texas with armies of lawyers and experts on each side, this is a mad hatter's tea party. Two engineering style companies can't resolve some ambiguity without spending tens of millions of dollars in some Texas superior court. In my opinion, what happens is that nobody wants to bring the bad news to the executives up the line that here's a few hundred million dollars you thought you had that you don't and it's much safer to act like the Persian messenger who goes away to hide rather than bring home the news of the battle lost talking about economics you get a very interesting phenomenon that I've seen over and over again in a long life you've got two products suppose they're complex technical product. Now you think under the laws of economics that if product A costs X, if product Y costs X minus something, it will sell better than if it sells at X plus something. But that's not so. In many cases, when you raise the price of the alternative product, it'll get a larger market share than it would when you make it lower than your competitor's product. That's because the bell, a pavlovian bell, I mean, ordinarily there's a correlation between price and value, you have an information inefficiency. And so when you raise the price, the sales go up relative to your competitor. That happens again and again and again. It's a pure Pavlovian phenomenon. And uh and you can say, well, the economists have figured this sort of thing out when they started talking about information inefficiencies. But that was fairly late in economics that they found such an obvious thing. And of course, most of them don't ask what causes the information inefficiencies. Well, one of the things that causes it is pure old Babof and his dog. Now, you got bias from scannerian association, operant conditioning, you know, where you give the dog a reward and uh and pound in the behavior that uh preceded the dogs getting the award. And of course, Skinner was able to create superstitious pigeons by having rewards come, you know, by accident with certain occurrences. And of course, we all know people who are the human equivalents of superstitious pigeons. That's a very powerful phenomenon. And of course, operant conditioning really works. I mean, the people in the center who think that operant conditioning is important are very much right. It's just that the Skinner overdid it a little. where you see in business just perfectly horrible results from psychological psychologically rooted tendencies is in accounting. If you take Westinghouse which blew what 2 or3 billion dollars pre-tax at least loaning developers to build hotels and virtually 100% loans. Now, you say any idiot knows that there's one thing you don't like, it's a developer. Another you don't like, it's a hotel. And to make a 100% loan to a developer who's going to build a hotel, but this guy, he probably was an engineer or something. And he didn't take psychology anymore, and I did. And he got out there in the hands of these select salesmen operating under their version of incentive caused bias where any damn way of getting Westinghouse to do what was considered normal business. and they just blew the that would never have been possible if the accounting system hadn't been such that for the initial phase of every transaction it showed wonderful financial results. So people who have loose accounting standards are just inviting perfectly horrible behavior in other people. Uh and it's a sin. It's an absolute sin to if you carried bushel baskets full of money through the ghetto and made them made it easy to steal that would be a considerable human sin because you'd be causing a lot of bad behavior and the bad behavior would spread. Similarly, an institution that gets sloppy accounting uh commits a real human sin and it's also a dumb way to do business as Westinghouse has so wonderfully proved. Oddly enough, nobody mentions, at least nobody I've seen, what happened with Joe Jet and Ker Peabody. The truth of the matter is the accounting system was such that by punching a few buttons, the Joe Jets of the world could show profits and profits that showed up in things that resulted in rewards and esteem and every other thing that human beings. Well, the Joe Jets are always with us and they're not really to blame in my judgment at least. But that bastard who created that foolish accounting system who so far as I know has not been played alive ought to be. Seventh bias from reciprocation tendency including the tendency of one in a role to act as other persons expect. Well, here again, Sealini does a magnificent job at this. And you're all going to be given a copy of Sealini's book. And if you have half as much sense as I think you do, you will immediately order copies for all of your children and several of your friends. You will never make a better investment. It is so easy to be a pathy for what he calls the compliance practitioners of this life. And uh but at any rate, reciprocation tendency is a very powerful phenomenon. And Seal Denny demonstrated this by running around a campus and he asked people to take juvenile delinquents to the zoo and it was a campus. And so one and six actually agreed to do it. And uh and after he'd accumulated the statistical output, he went around on the same campus and he asked other people. He said, "Gee, would you devote two afternoons a week to taking juvenile delinquents somewhere and suffering greatly yourself to help them?" And there he got 100% of the people to say no. But after he made the first request, he backed off a little. He said, "Well, would you at least take them to the zoo one afternoon?" He raised the compliance rate from a third to a half. You got three times the success by just going through the little ask for a lot and back off. Now, if the human mind on a subconscious level can be manipulated that way and you don't know it, well, I always use the phrase you're like a one-legged man in an asskicking contest. I mean, you are I mean, you are really giving a lot of quarter to the external world that you can't afford to give. and uh on this so-called role theory where you tend to act in the way that other people expect. That's reciprocation if you think about the way society is organized. And a guy named Zimardo had people at Stanford divide into two pieces. One were the guards and the other were the prisoners. And they started acting out roles as people expected. He had to stop the experiment after about 5 days. He was getting into human misery and breakdown and pathological behavior. I mean it was it was it was awesome. However, Timardo is greatly misinterpreted. It's not just reciprocation tendency and role theory that caused that. It's consistency and commitment tendency. Each person as he acted as a guard or a prisoner, the action itself was pounding in the idea. Wherever you turn, this consistency and commitment tendency is affecting you. In other words, what you think may change what you do. But perhaps even more important, what you do will change what you think. And you can say everybody knows that. I want to tell you I didn't know it well enough early enough. Eight. Now this is a laalapalooa and Henry Kaufman wisely talked about this. bias from over influence by social proof that is the conclusions of others particularly under conditions of natural uncertainty and stress. And here one of the cases the psychologists use is Kitty Genevy where all these people I don't know 50 60 70 of them just sort of sat and did nothing while she was slowly murdered. Now one of the explanations is everybody looked at everybody else and nobody else was doing anything. And so there's automatic social proof that the right thing to do is nothing. That's not a good enough explanation for Kitty Genevese in my judgment. That's only part of it. There are microeconomic ideas and game loss ratios and so forth that also come into play. I think time and time again in reality psychological notions and economic notions interplay. And the man who doesn't understand both is a damn fool. big shot businessmen get into these waves of social proof. Do you remember some years ago when one oil company bought a fertilizer company and every other major oil company practically ran out and bought a fertilizer company and there was no more damn reason for all these oil companies to buy fertilizer companies but they didn't know exactly what to do and if Exxon was doing it was good enough for mobile or vice versa and of course the I think they're all gone now. It's it was a total disaster. Now let's talk about efficient market theory. A wonderful economic doctrine that had a long vogue in spite of the experience of Berkshire Hathaway. In fact, one of the economists who won he shared a Nobel Prize and as he looked at Berkshire Hathaway year after year which people would throw in his face saying maybe the market isn't quite as efficient as you think. He said well it's a two sigma event. Then he said we were a three sigma event and then he said we were a four sigma event. and he finally got up to six sigas. Better to add a sigma than change a theory just because the evidence comes in differently. And of course when this share of a Nobel prize went in the money management himself, he sank like a stone. If you if you think about the doctrines I've talked about, namely one, the power of reinforcement. After all, you do something and the market goes up and you get paid and rewarded and applauded and what have you. You're getting a lot of refor reinforcement. If you make a bet in a market and the market goes with you. Also, there's social proof. I mean, the prices in the market are the ultimate form of social proof reflecting what other people think. And so, the combination is very powerful. Why would you expect general market levels to always be totally efficient? say even in 1973 4 at the pit or in 1972 or whatever it was when the nifty50 were in their heyday. If these psychological notions are correct, you would affect you would expect some waves of irrationality which carry general levels to uh to um so they're inconsistent with reason. Nine, what made these economists love the efficient market theory is the math was so elegant. And after all, math was what they'd learned to do. The man with a hammer, every problem tends to look pretty much like a nail. The alternative truth was a little messy, and they'd forgotten the great economist Canes, whom I think said, "Better to be roughly right than precisely wrong." Nine, biased from contrastcaused distortions of sensation, perception, and cognition. Here, the great experiment that Sealini does in his class, he takes three buckets of water. One's hot, one's cold, and one's room temperature. He has the student stick his left hand in the hot water and his right hand in the cold water. Then he has them remove the hands and put them both in the room temperature bucket. And of course, with both hands in the same bucket of water, one seems hot, the other seems cold. Because the sensation apparatus of man is over influenced by contrast. It has no absolute scale. It's got a contrast scale in it. And it's a scale with quantum effects in it, too. It takes a certain percentage change before it's noticed. Maybe you've had an magician remove your watch. I certainly have, without your noticing it. It's the same thing. He's taking advantage of your of your of contrast type troubles in your sensory apparatus. But here, the great truth is that cognition mimics sensation. And the cognition manipulators mimic the watch removing magician. In other words, people are manipulating you all day long on this contrast phenomenon. Sealed any sites the case of the real estate broker and you got the rube that's been transferred into your town and the first thing you do is you take the rube out to two of the most awful overpriced houses you've ever seen. And then you take the robe to some moderately overpriced house and then you stick them. And it works pretty well, which is why the real estate salesman do it. And uh it's always going to work. And the accidents of life can do this to you and it can ruin your life. In my generation, when women lived at home until they got married, I saw some perfectly terrible marriages made by highly desirable women because they lived in terrible homes. And uh and I've seen some terrible second marriages which were made because there were slight improvements over an even worse first marriage. And you think you're immune from these things and you laugh and I want to tell you aren't. And the uh my favorite analogy I can't vouch for the accuracy of. I have this worthless friend I like to play bridge with and he's a total intellectual amateur that lives on inherited money. But he told me once something I really enjoyed hearing. He said, "Charlie," he says, "If you throw a frog into very hot water, the frog will jump out. But if you put the frog in room temperature water and just slowly heat the water up, the frog will die there." Now, I don't know whether that's true about a frog, but it's sure as hell true about many of the businessmen I know. And there again it is the it is the contrast phenomenon. These are hot shot high-powered people. I mean these are not fools. If it comes to you in small pieces you're likely to miss. So you have to if you're going to be a person of good judgment, you have to do something about this warp in your head where it's so misled by mere contrast bias from over influence by authority. Well, here the Mgrim experiment as it's caused, I think there have been 1600 psychological papers written about Mgrim and he had a person posing as an authority figure uh trick ordinary people into giving what they had every reason to expect was heavy torture by electric shock to perfectly innocent fellow citizens. And the experiment has been he was trying to show that why Hitler succeeded and a few other things and uh and uh so this really caught the fancy of the world partly it's so politically correct and uh and uh over influenced by authority has another very you this will you'll like this one. You got a pilot and a co-pilot. The pilot is the authority figure. They don't do this in airplanes, but they've done it in simulators. They have the pilot do something where the co-pilot, who's been trained in simulators a long time, he knows he's not to allow the plane to crash. They have the pilot to do something where an idiot co-pilot would know the plane was going to crash, but the pilot's doing it and the co-pilot is sitting there and the pilot is the authority figure. 25% of the time the plane crashes. I mean, this is a very powerful psychological tendency. It's not quite as powerful as some people think, and I'll get to that later. 11. Bias from deprival super reaction syndrome, including bias caused by present or threatened scarcity, including threatened removal of something almost possessed but never possessed. Here I took the munger dog. Lovely, harmless dog. The one way, the only way to get that dog to bite you was to try and take something out of its mouth after it was already there. And any of you who have tried to do takeaways and labor negotiations will know that a human version of that dog is there in all of us. And uh I have a neighbor on a neighbor, a predecessor on a little island where I have a house. and his next door neighbor put a little pine tree in that was about 3 feet high and it turned his 180 degree view of the harbor into 179 and 3/4. Well, they had a blood feud like the Hatfields and Aoys and it went on and on and on and I mean people are really crazy about minor decrements down and uh and then if you act on them you get into reciprocation tendency because you don't just reciprocate affection, you reciprocate animosity and the whole thing can escalate. And so huge insanities can come from just subconsciously overweighing the importance of what you're losing or almost getting and not getting. And uh the extreme business case here was New Coke. Now Coca-Cola has the most valuable trademark in the world. We're the major shareholder. I mean we I think we understand that trademark. KO has armies of brilliant engineers, lawyers, psychologists, advertising executives and so forth. and they had a trademark on a flavor and they'd spent better part of a hundred years getting people to believe that trademark had all these intangible values too and people associated it with a flavor and so they were going to tell people not that it was improved because you can't improve a flavor is a matter of taste I mean you may improve a detergent or something but telling you're going to make a major change in a in a flavor I mean, so they got this huge deprival super reaction syndrome. Pepsi was within weeks of coming out with old Coke in a Pepsi bottle, which would have been the biggest fiasco in modern times. Perfect pl perfect insanity. And by the way, both and Kio are just wonderful about it. I mean, they just joke. coming down. Kio always says I must have been away on vacation. He participated in every single He's a wonderful guy and by the way go is a wonderful smart guy an engineer. Smart people make these terrible boners. How can you not understand deprival suk super reaction syndrome but people I mean people do not react symmetrically to loss and gain. Now maybe you have a great bridge player like Zehauser does, but that's a trained response. Uh ordinary people subconsciously affected by their inborn tendencies. Uh bias from envy, jealousy. Well, envy, jealousy made what? Two out of the ten commandments. Those of you who have raised siblings, you know about or tried to run a law firm or investment bank or even a faculty. I've heard Warren say a half a dozen times, it's not greed that drives the world, but envy. Here again, you go through the psychology survey courses. And you go to the index, envy, jealousy, thousandpage book. It's blank. There's some blind spots in academia, but it's an enormously powerful uh thing and it operates to a considerable extent on a subconscious level. And anybody who doesn't understand it is uh is taking on defects he shouldn't have. Bias from chemical dependency. Well, we don't have to talk about that. We've all seen so much of it. But it's interesting how it always causes moral breakdown if there's any need and uh and it always involves massive denial. So it's just it aggravates what we talked about earlier in the aviator case, the tendency to distort reality so that it's endurable. Uh bias from misgambling compulsion. Well, here Skinner made the only explanation you'll find in the standard psychology survey course. He of course created a variable reinforcement rate for his pigeons and his mice and he found that would pound in the behavior better than any other reinforcement pattern. And he says, "Aha, I've explained why gambling is such a powerful addictive force in a civilization. I think that is to a very considerable extent true." But being Skinner, he seemed to think that was the only explanation. But the truth of the matter is that the devisers of these modern machines and techniques know a lot of things that Skinner didn't know. For instance, a lottery. You have a lottery where you get your number by lot and then somebody draws a number by lot. It gets lousy play. You get a lottery where people get to pick their number, get big play. Again, it's this consistency and commitment thing. People think that if they've committed to it, it has to be good. And the minute they picked it themselves, it gets an extra validity. After all, they thought it and they acted on it. And uh then if you take slot machines, you get bar lemon. It happens again and again and again. You get all these near misses. Well, that's deprival super reaction syndrome. And boy, do the people who create the machines understand human psychology. And if you got for the high IQ crowd, they've got poker machines where you make choices. So you can play blackjack, so to speak, with the machine. It's wonderful what we've done with our computers to ruin a civilization. And uh but anyway, misgambling compulsion is a very powerful and important thing. Look at what's happening to our country. every Indian reservation, every river town and uh and look at the people who were ruined but by it with the aid of their stock brokers and others. And uh again, if you look in the in the standard textbook of psychology, you'll find practically nothing on it except maybe one sentence talking about Skanner's rats. That is not an adequate coverage of the subject. bias from liking distortion, including the tendency to especially like oneself, one's own kind, and one's own idea structures, and the tendency to be especially susceptible to being misled by someone liked. Disliking distortion, bias from that, the reciprocal of liking distortion, and the tendency not to learn appropriately from someone disliked. Well, here again, we've got hugely powerful tendencies. And if you look at the wars in part of the Harvard Law School as we sit here, you can see that very brilliant people get into this almost pathological behavior. And uh these are very powerful basic subconscious psychological tendencies or at least partly subconscious. Now let's get back to BF Skinner. Man with a hammer syndrome revisited. Why is man with the hammer syndrome always present? Well, if you stop to think about it, it's caused bias. His professional reputation is all tied up with what he knows. He likes himself and he likes his own ideas and uh and he's expressed them to other people. Consistency and commitment tendency. I mean, you got four or five of these elementary psychological tendencies combining to create this man with a hammer syndrome. Once you realize that you can't really buy your thinking done, partly you can, but largely you can't in this world. You have learned a lesson that's very useful in life. George Bernard Shaw said and had a character say in the doctor's dilemma, in the last analysis, every profession is a conspiracy against the ley. But he didn't have it quite right because it isn't so much conspiracy as it is a subconscious psychological tendency. The guy tells you what is good for him. He doesn't recognize that he's doing anything wrong any more than that doctor did when he was pulling out all those normal gallbladders. And uh he believes that his own idea structures will cure cancer. and he believes that uh that the guardian that the demons that he's the guardian against are the biggest demons and the most important ones and in fact they may be very small demons compared to the demons that you face. So you're getting your advice in this world from your paid adviser with this huge load of ghastly bias and woe to you there only two ways to handle it. You can hire your adviser and then just apply a windage factor like I used to do when I was a rifle shooter. I just adjust for so many miles an hour of wind and or you can learn the basic elements of your advisor's trade. You don't have to learn very much by the way because you learn just a little and you can make him explain why he's right. And those two tendencies will take part of the warp out of the thinking you've tried to hire done. By and large, it works terribly. I have never seen a management consultants report in my long life that didn't end with the following paragraph. What this situation really needs is more management consulting. Never once. I always turn to the last page. Of course, Berway doesn't hire them. I only do this in sort of a voyeristic basis. Sometimes I'm in a nonprofit where some idiot hires one 17. bias from the non-mathematical nature of the human brain and its natural state as it deals with probabilities employing crude huristics and is often misled by mere contrast, a tendency to overweigh conveniently available information and other psychologically rooted misthinking tendencies on this list when the brain should be using the simple probability mathematics of Fairmat and Pascal applied to all reasonably obtainable and correctly weighted items of information that are of value in predicting outcomes. The right way to think is the way Zack Hower plays bridge. It's just that simple. And your brain doesn't naturally know how to think the way Zack Hower knows how to play bridge. Now you notice I put in that availability thing and there I'm mimicking some very eminent psychologists Don Manag I hope I pronounced that right and Diverski who raised the idea of availability to a whole heruristic of misjudgment and you know they are very substantially right I mean ask the Coca-Cola company which has raised availability to a secular religion if availability changes behavior you will drink a hell of a lot more coke if it's always available. I mean, availability does change behavior and cognition. Nonetheless, even though I recognize that and applaud Tverki and Conman, I don't like it for my personal system except as part of a greater subsystem, which is you got to think the way Zackauser plays the bridge. It isn't just the lack of availability that distorts your judgment. All the things on this list distort judgment and I want to train myself to kind of mentally run down the list instead of just jumping on availability. So that's why I state it the way I do. In a sense, these psychological tendencies make things unavailable because if you quickly jump to one thing and then because you've jumped to it, the consistency and commitment tendency makes you lock in. Boom. That's error number one. or if something is very vivid, which I'm going to come to next, that will really pound in. And the reason that the thing that really matters is now unavailable. And what's extra vivid wins is I mean it the extra vividness creates the unavailability. So I think it's much better to have a whole list things that cause you to be less like Zehouser than it is just to jump on one factor. Uh here I think we should discuss John Goodfriend. This is a very interesting human example which will be taught in every decent professional school for at least a full generation. Good friend has a trusted employee and it comes to light, not through confession, but by accident, that the trusted employee has lied like hell to the government and manipulated the accounting system. And it was really equivalent to forgery. and uh and uh the man immediately says, "I've never done it before. I'll never do it again." It was an isolated example. And of course, it was obvious that he wasn't trying to he was trying to help the government as well as himself cuz he thought the government had been dumb enough to pass a rule that he'd spoken against. And after all, if a government's not going to pay attention to bond trader at Solomon, what kind of a government can it be? and uh at any rate and this guy has been part of a little clique that has made well way into way over a billion dollars for Solomon in the very recent past and it's little handful of people and so there are a lot of psychological forces at work and you know you know the guy's wife and he's right in front of you and there's human sympathy and he's sort uh asking for your help which is a form which encourages reciprocation and there all these psychological tendencies are working plus the fact he's part of a group that made a lot of money for you. At any rate good friend does not cashier the man and of course he had done it before and he did do it again. Well, now you look as though you almost wanted him to do it again or god knows what you look like, but it isn't good. And uh and then that simple decision destroyed John Goodfriend. And uh and it's so easy to do. Now, let's think it through. like the bridge player like Zehouser. You find an isolated example of a little old lady in the seas candy company, one of our subsidiaries, getting into the till. And what does she say? I never did it before. I'll never do it again. This is going to ruin my life. Please help me. And you know her children and her friends and she's been around 30 years and standing behind the candy counter with swollen ankles and you're an old lady. It isn't that glorious a life. and you're rich and powerful and there she is. I never did it before. I want to never do it again. Well, how likely is it that she never did it before? If you're going to catch 10 embezzlements a year, what are the chances that any one of them applying what Tverki and Common called baseline information will be somebody who only did it this once and the people who have done it before and are going to do it again, what are they all going to say? Well, in the history of the Seas Handy Company, they always say, "I never did it before and I'm never going to do it again. and we cashier them. It would be evil not to because terribly behavior spreads. Remember what was it? Servico. I mean you let that stuff you got social proof. You got incentive caused bias. You got a whole lot of psychological factors that will cause the evil behavior to spread and pretty soon the whole damn your place is rotten. The civilization is rotten. It's not the right way to behave. And uh and uh I will admit that I have when I knew the wife and children, I have paid severance pay when I fire somebody for taking a mistress on a extended foreign trip. It's not the adultery I mind, it's the embezzlement. And uh but there I wouldn't I wouldn't do it where a good friend did it where they've been cheating somebody else on my behalf. There I think you have to cashier. But if they're just stealing from you and you get rid of them, I don't think you need the last ounce of vengeance. In fact, I don't think you need any vengeance. I don't think vengeance is much good. the um now we come biased from over influenced by extra evid evidence. Here's one that I'm at least $30 million poor as I sit here giving this little talk because I once bought 300 shares of a stock and the guy called me back and said I've got 1,500 more. I said will you hold it for 15 minutes while I think about it? and the CEO of this company. I have seen a lot of vivid peculiarities in a long life, but this guy set a world record. I'm talking about the CEO and I just misweighed it. The truth of the matter is his situation was foolproof. He was soon going to be dead. I turned down the extra 1500 shares and it's now cost me $30 million. And that's life in the big city. And it wasn't something where stock was generally available. And uh so it's very easy to misweigh the vivid evidence and good friend did that when he looked into the man's eyes and forgave the colleague. And uh 22 stress induced mental changes small and large temporary and permanent. The uh oh no I' I've skipped one. Mental confusion caused by information not arrayed in the mind in theory structures creating sound generalizations developed in response to the question why. Also misinfluence from information that apparently but not really answers the question why. Also failure to obtain deserved influence caused by not properly explaining why. But we all know people who flunk and they try and memorize and they try and spout back and they just doesn't work. The brain doesn't work that way. You've got to array facts on theory structures answering the question why. If you don't do that, you just you cannot handle the world. And now we get to Forstein who was the general counsel of Solomon when Goodren made his big error. And Forstein knew better. He told Goodfriend, "You have to report this as a matter of morality and prudent business judgment." He said, "It's probably not illegal. there's probably no legal duty to do it, but you have to do it as a matter of prudent conduct and proper dealing with your main customer. And he said that to Good Friend on at least two or three occasions and he stopped and of course the persuasion failed. And when Good Friend went down, Forstein went with him and it ruined a considerable part of Forstein's life. Well, Forstein was a member of the Harvard Law Review made an elementary psychological mistake. You want to persuade somebody. You really tell them why. And what have we learned in lesson one? Incentives really matter. He should have told and vivid evidence really works. He should have told good friend you are likely to ruin your life and disgrace your family and lose your money. And is Moer worth this? I know both men. and that would have worked. So Fstein flunked elementary psychology, this very sophisticated, brilliant lawyer, but don't you do that. It's not very hard to do, you know, just to remember that why is terribly important. Uh other normal limitations of sensation, memory, cognition, and knowledge. Well, I don't have time for that. Uh stress induced mental changes. Here my favorite example is the great Pavlov and he had all these dogs in cages which had all been conditioned into changed behaviors and the great Lennengrad flood came and the just went right up and the dogs in a cage and the dog was had as much stress as you can imagine a dog ever having. And the water receded in time to save some of the dogs and Pavv noted that they'd had a total reversal of their conditioned personality. Well, being the great scientist he was, he spent the rest of his life giving nervous breakdowns to dogs and he learned a hell of a lot that I regard as very interesting. I have never known any fraudian analyst who knew anything about the last work of Pav Pavof. And I've never met a lawyer who understood that what Pavlov found out with those dogs had anything to do with programming and deprogramming and cults and so forth. I mean the amount of elementary psychological ignorance that is out there in high levels is very subm. Then we've got other common mental illnesses and declines temporary and permanent including the tendency to lose ability through disuse. And then I've got mental and organizational confusion from say something syndrome. Here my favorite thing is the bee, the honey bee. And the honey bee goes out and finds the nectar and he comes back. He does a dance that communicates to the other bees where the nectar is and they go out and get it. Well, some scientist who was clever like BF Skinner decided to do an experiment. He put the nectar straight up, way up. Well, in a natural setting, there is no nectar way the hell straight up. And the poor honeybee doesn't have a genetic program that is adequate to handle what he now has to communicate. And you'd think the honey bee would come back to the hive and slink into a corner, but he doesn't. and he comes into the hive and does this incoherent dance. And all my life I've been dealing with the human equivalent of that honeybee and it's a very important part of human organization to set things up so the noise and the reciprocation and so forth of all these people who have what I call say something syndrome don't really affect the decisions. Now the time has come to ask two or three questions. This is the most important question in this whole talk. What happens when the standard psychological tendencies combine? What happens when the situation or the artful manipulation of man causes several of these tendencies to operate on a person toward the same end at the same time? The clear answer is the combination greatly increases power to change behavior compared to the power of merely one tendency acting alone. Examples are Tupperware parties. Tupperware has now made billions of dollars out of a few manipulative psychological tricks. It was so slack that directors of Justin Dart's company resigned when he crammed it down his board's throat. And he was totally right, by the way, judged by economic outcomes. Mooney conversion methods. Boy, do they work. He just combines four or five of these things together. The system of alcoholics anonymous, a 50% no drinking rate outcome when everything else fails. It's a very clever system that uses four or five psychological systems at once toward, I must say, a very good end. The Mgrim experiment, see, Mgrim, it's been widely interpreted as mere obedience. But the truth of the matter is that the experimentter who got the students to give the heavy shocks in Mgrim, he explained why it was a false explanation. We need this to look for scientific truth and so on. That greatly changed the behavior of the people. And number two, he worked them up. Tiny shock, little larger, little larger. So commitment and consistency tendency and the contrast principle were both working in favor of this behavior. So again, it's four different psychological tendencies. That's when you get these laooa effects, you will almost always find four or five of these things working together. When I was young, there was a who done it hero who always said share sham. And what you should search for in life is the combination because the combination is likely to do you in. Or if you're the inventor of Tupperware parties, it's likely to make you enormously rich if you can stand shaving when you do it. Then one of my favorite cases is the McDonald Douglas airliner evacuation disaster. The government requires that airliners pass a bunch of tests. One of them is evacuation. Get everybody out. I think it's 90 seconds or something like that. It's some short period of time. Government has rules. Make it very realistic. So on and so on. You can't select nothing but 20-year-old athletes to evacuate your airliner. So McDonald Douglas schedules one of these things in a hanger and they make the hanger dark and the concrete floor is 25 ft down and they got these little rubber shoots and they got all these old people and they ring the bell and they all rush out and in the morning when the first test is done they create I don't know 20 terrible injuries that will go off to hospitals and of course they schedule another one for the afternoon. By the way, they didn't meet the time schedule either, in addition to causing all the injuries. Well, so what do they do? They do it again in the afternoon. Now they create 20 more injuries and one case of a severed spinal column with permanent unfixable paralysis. These are engineers. These are brilliant people. This is thought through in a big bureaucracy. Again, it's a combination of a tendency. Authorities told you to do it. He's told you to make it realistic. You've decided to do it. You've decided to do it twice. Incentive caused bias. If you pass, you save a lot of money. You got to jump this hurdle before you can sell your new airliner. Again, three, four, five of these things work together and it turns human brains into mush. And maybe you think this doesn't happen in picking investments. If so, you're living in a different world than I am. Finally, the open outcry auction. But the open outcry auction is just made to turn the brain into mush. You get social proof. The other guy is bidding. You get reciprocation tendency. You get deprival super reaction syndrome. The thing is going away. I mean, it's just absolutely designed to manipulate people into idiotic behavior. Finally, the institution of the board of directors of a major human American company. Well, the top guy is sitting there. He's an authority figure. He's doing asine things. You look around the board, nobody else is objecting. Social proof it's okay. Reciprocation tendency. He's raising the director's fees every year. He's flying you around in the corporate airplane to look at interesting plants or whatever in the hell they do. And you go and you really get extreme dysfunction as a corrective decision-making body in the typical American board of directors. They only act again the power of incentives. They only act when it gets so bad that it starts reflecting making them look foolish or threatening legal liability to them. That's Munger's rule. I mean, there are occasional uh things that don't follow Munger's rule, but by and large, the board of directors is a very ineffective corrector if the if the top guy is a little nuts, which of course frequently happens. The second question isn't this list of standard psychological tendencies improperly tautological compared with a system of uglid that is aren't there overlaps and can't some items on the list be derived from combinations of other items the answer to that is plainly yes three what good is in the practical world is the thought system indicated by the list isn't practical benefit prevented because these psychological tendencies are programmed into the human mind by broad evolution so we can't get rid of broad evolution I mean the combination of genetic and cultural evolution, but mostly genetic. Well, the answer is the tendencies are partly good and indeed probably much more good than bad. Otherwise, they wouldn't be there. By and large, these rules of thumb have worked pretty well for man given his limited mental capacity and that's why they were programmed in by broad evolution. At any rate, they can't be simply washed out automatically and they shouldn't be. Nonetheless, the psychological thought system described is very useful in spreading wisdom and good conduct and when one understands it and uses it constructively. Here are some examples. Carl Braun's communication practices designed oil refineries with spectacular skill and integrity. He had a very simple rule. Remember I said why is important. You got fired in the Brun Company. You had to have five W's. You had to tell who, what you wanted to do, where, and when, and you had to tell him why. And if you wrote a communication and left out the why, you got fired. Cuz Bronn knew. It's complicated building an oil refiner. It can blow up. All kinds of things happen. And he knew that his communication system worked better if you always told him why. That's a simple discipline. And boy, does it work. Two, the use of simulators in pilot training. Here again, abilities attenuate with disuse. Well, the simulator is God's gift because you can keep them fresh. The system of alcoholics anonymous. That's certainly a constructive use of somebody understanding psychological tendencies. I think they just blundered into it as a matter of fact. So, you can regard it as kind of an evolutionary outcome. But just because they blundered into it doesn't mean you can't invent its equivalent when you need it for a good purpose. Clinical training in medical schools. Here's a profoundly correct way of understanding psychology. The standard practice is watch one, do one, teach one. Boy, does that pound in what you want pounded in. Again, the consistency and commitment tendency. And uh that is a profoundly correct way to teach clinical medicine. The rules of the US constitutional comm convention totally secret. No vote until the final vote then just one vote on the whole constitution. very clever psychological rules. And if they had a different procedure, everybody would have been pushed into a corner by his own pronouncements and his own oratory and his own and no recorded votes until the last one. And uh and they got it through by a whisker with those wise rules. We wouldn't have had the Constitution if our forefathers hadn't been so psychologically acute. And look at the crowd we got now. Six, the use of granny's rule. I love this. One of the psychologists who works at the center gets paid a fortune running around America and he teaches executives to manipulate themselves. Now, Granny's rule is you don't get the ice cream unless you eat your carrots. Well, Granny was a very wise woman. That is a very good system. And uh so this guy, very eminent psychologist, he runs around the country telling executives to organize their day. So they force themselves to do what's unpleasant and important by doing that first and then rewarding themselves with something they really like doing. He is profoundly correct. Seven, the Harvard Business School's emphasis on decision trees. When I was young and foolish, I used to laugh at the Harvard Business School. I said they're teaching 28-year-old people that high school algebra works in real life. We're talking about elementary probability. But later I wised up and I realized that it was very important that they do that and better late than never. Eight, the use of postmortems at Johnson and Johnson. At most corporations, if you make an acquisition and it works out to be a disaster, all the paperwork and presentations that cause the dumb acquisition to be made are quickly forgotten. You got denial. You got everything in the world. You got Pavlovian association tendency. Nobody wants to even be associated with the damn thing or even mention it. Johnson and Johnson, they make everybody revisit their old acquisitions and wade through the presentations. That is a very smart thing to do. And by the way, I do the same thing routinely. Nine. The great example of Charles the Darwin is he avoided confirmation bias. Darwin probably changed my life because I'm a biography nut. And I when I found out the way he always paid extra attention to the disconfirming evidence and all these little psychological tricks, I also found out that he wasn't very smart by the standards the ordinary standards of human acuity. Yet there he is buried in Westminster Abbey. That's not where I'm going, I'll tell you. And I said, "My god, here's a guy that by all objective evidence is not nearly as smart as I am, but he's in Westminster Abbey. He must have tricks I should learn." And I started wearing little hair shirts like Darwin to try and train myself out of these subconscious psychological tendencies that cause so many errors. It didn't work perfectly as you can tell from listening to this talk. But it would have would have been even worse if I hadn't hadn't done what I did. And you can know these psychological tendencies and avoid being the psy of all the people that are trying to manipulate you to your disadvantage. Like Sam Walton. Sam Walton will let a purchasing agent take a handkerchief from a salesman. He knows how powerful the subconscious reciprocation tendency is. That is a profoundly correct way for Sam Walton to behave. Then there's the Warren Buffett rule for openout cry auctions. Don't go. We don't go to the close bid auctions too because they that's a counterproductive way to do things ordinarily for a different reason which Zehauser would understand. Four, what special knowledge problems lie buried in the thought system indicated by the list? Well, one is paradox. Now we're talking about a type of human wisdom that the more people learn about it, the more attenuated the wisdom gets. That's an intrinsically paradoxical kind of wisdom. But we have paradox of mathematics and we don't give up mathematics. I say damn the paradox. This stuff is wonderfully useful. And by the way, the granny's rule when you apply it to yourself is sort of a paradox and a paradox. The manipul the manipulation still works even though you know you're doing it. And I've seen that done by one person to another. I drew this beautiful woman as my dinner partner a few years ago and I'd never seen her before, although she's married to a prominent Angelino. And she sat down next to me and she turned her beautiful face up and she said, "Charlie," she said, "what one word accounts for your remarkable success in life?" Now, I knew I was being manipulated and that she'd done this before. And I just loved it. I never see this woman without a little lift in my spirits. And by the way, I told her I was rational. You'll have to judge yourself whether that's true. I may be demonstrating some psychological tendency I hadn't planned on demonstrating. How should the best parts of psychology and economics interrelate in an enlightened economist mind? Two views. That's the thermodynamics model. You, you know, you can't derive thermodynamics from Newtonian uh gravity and uh and laws of mechanics even though it's a lot of little particles interacting. And here's this wonderful truth that you can sort of develop on your own, which is thermodynamics. and some economists and I think Milton Freriedman is in this group but I may be wrong on that. Sort of like the thermodynamics model. I think Milton Reeden Freriedman who has a Nobel prize is probably a little wrong on that. I think the thermodynamics analogy is overstrained. I think knowledge from these different soft sciences have to be reconciled to eliminate conflict. After all, there's nothing in thermodynamics that's inconsistent with Newtonian mechanics and gravity. And I think that some of these economic theories are not totally consistent with other knowledge and they have to be bent. And I think that these behavioral economics are economists are probably the ones that are bending them in a correct direction. Now, my prediction is when the economists take a little psychology into account that the reconciliation will be quite endurable. And here my model is the procession of the equinoxes. The world would be simpler for a long-term climatologist if the angle of the axis of the Earth's rotation compared to the plane of the eucalyptic were absolutely fixed. But it isn't fixed. Over every 40,000 years or so, there's this little wobble. And that has pronounced long-term effects. Well, in many cases, what psychology is going to add is just a little wobble and it will be endurable. Uh, here I quote another hero of mine who of course is Einstein where he said, "The Lord is subtle but not malicious." And I don't think it's going to be that hard to bend economics a little to um accommodate what's right in psychology. The final question is, if the thought system indicated by this list of psychological tendencies has great value not widely recognized and employed, what should the educational system do about it? I am not going to answer that one now. I like leaving a little mystery. Have I used up all the time? So there's no time for questions. So I think I think that what we're going to do is we're going to borrow a little bit of time from the end of the day summary questions and we're going to move in and allocate it to Charles that's why we have questions for we'll ask other people questions. By the way, the dean of the Stanford Law School is here today, Paul Breast, and he is trying to create a course at the Stanford Law School that tries to work stuff similar to this into worldly wisdom for lawyers, which I regard as a profoundly good idea. And he wrote an article about it, and you'll be given a copy along with Seal Dean's book. Questions? Yeah. Will we be able to get a uh copy that Yes, I presume there would be one curious man and I have it. I'll put it over there on the table, but don't take more than one because I didn't anticipate such a big crowd. And if we run short, I'm sure the center is up to making other copies and questions. Yeah. Well, let me just ask one question. If I had listened to this talk, I might have thought that you were a psychologist. I can't hear you. If I had listened to this talk, I might have thought that uh Charles Munger was a psychology professor operating at a business hall. Every once in a while was a micro issue. You told us uh how you would have dealt with one of these issues. For example, with the uh unfortunate lady from C's, but you didn't tell us how these tendencies affected you and what's probably the most important or one of the most important elements of your success, which was deciding where to invest your money. And I'm wondering if uh you might relate some of these principles to some of your past decisions that I Well, of course, an investment decision in the common stock of a company frequently involves a whole lot of factors interacting. Usually, of course, there's one big simple model and uh a lot of those models are microeconomic and I have a little list of it wouldn't be nearly uh of those, but I don't have time for that one. And I don't have too much interest in teaching other people how to get rich. uh my personal and that isn't because I fear the competition uh or anything like that. Uh Warren has always been very open about what he's learned and uh I share that ethos. My personal behavior model is Lord Kane's. I wanted to get rich so I could be independent uh and so I could do other things like give talks on the intersection of psychology and economics. Uh, I didn't want to turn it into a total obsession. Yeah, that was 24. Could you tell us the one rule is most important? I would say the one thing that causes the most trouble is when you combine a bunch of these together, you get this laalapooa effect. And if you again, if you read the psychology textbooks, they don't discuss how these things combine, at least not very much. Do they multiply? Do they add? What how does it work? I think it would be just an automatic subject for research, but it doesn't seem to turn the psychology establishment on. I think this is a like this is a man for Mars approach to psychology. I just reached in and took what I thought I had to have. That is a different set of incentives from rising in an economic establishment where the reward system again the reinforcement comes from being a truffle hound. That's what Jacob Viner the great economist called it the truffle hound. An animal so bred and trained for one narrow purpose that he wasn't much good at anything else. And that is the reward system in a lot of academic departments. It is not necessarily for the good. It may be fine if you want new drugs or something. You want people stunted in a lot of different directions. so they can grow in one narrow direction. But I don't think it's good teaching psychology to the masses. In fact, I think it's terrible.
