Fooled by Randomness: The Hidden Role of Chance in Life and in the Markets
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Set against the backdrop of the most conspicuous forum in which luck is mistaken for skill, the world of trading, this audiobook is a captivating insight into one of the least understood factors of all our lives. In an entertaining narrative style, the author succeeds in tackling three major intellectual issues: the problem of induction, the survivorship biases, and our genetic unfitness to the modern word. Taleb uses stories and anecdotes to illustrate our overestimation of causality and the heuristics that make us view the world as far more explainable than it actually is.
The audiobook is populated with an array of characters, some of whom have grasped, in their own way, the significance of chance: Yogi Berra, the baseball legend; Karl Popper, the philosopher of knowledge; Solon, the ancient world's wisest man; the modern financier George Soros; and the Greek voyager Ulysses. We also meet the fictional Nero, who seems to understand the role of randomness in his professional life, but who also falls victim to his own superstitious foolishness.
But the most recognizable character remains unnamed, the lucky fool in the right place at the right time - the embodiment of the "Survival of the Least Fit". Such individuals attract devoted followers who believe in their guru's insights and methods. But no one can replicate what is obtained through chance.
It may be impossible to guard against the vagaries of the Goddess Fortuna, but after listening to Fooled by Randomness we can be a little better prepared.
- Listening Length10 hours and 3 minutes
- Audible release dateJanuary 7, 2008
- LanguageEnglish
- ASINB0012IZFRW
- VersionUnabridged
- Program TypeAudiobook
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Product details
| Listening Length | 10 hours and 3 minutes |
|---|---|
| Author | Nassim Nicholas Taleb |
| Narrator | Sean Pratt |
| Whispersync for Voice | Ready |
| Audible.com Release Date | January 07, 2008 |
| Publisher | Gildan Media, LLC |
| Program Type | Audiobook |
| Version | Unabridged |
| Language | English |
| ASIN | B0012IZFRW |
| Best Sellers Rank | #1,653 in Audible Books & Originals (See Top 100 in Audible Books & Originals) #1 in Mathematics (Audible Books & Originals) #1 in Business Statistics #11 in Investing & Trading |
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I think I first read "Fooled By Randomness" circa 2006. Recently, I felt a longing to reread Taleb's first non-technical book again. Wow, what a wise decision that was! I actually digested more from the rereading than I did from the initial reading (and I digested quite a bit from the first reading). Both times, I focused on reading the book very, very slowly. Obviously, the fact that I spent the time to reread this book is indicative of how valuable I think it is.
Known for his great wit, the baseball pitcher Vernon Louis "Lefty" Gomez was fond of saying that, "I'd rather be lucky than good." This phrase, in essence, is one of the central themes of the book. Although it sounds like a hackneyed platitude, Gomez, understood the role of randomness in our lives. However, due to myriad biases, we humans often tend to attribute our successes to our skill and blame bad luck for our failures. Is your rich neighbor or your boss really as skilled as she thinks she is?
Parts of the book are also about the hindsight bias and the narrative fallacy. We humans are great at fabricating post hoc narratives about our world. It's how we understand (and misunderstand) the world, but we must remember not to take our stories too seriously. "A mistake is not something to be determined after the fact," writes Taleb, "but in the light of the information until that point."
One of Taleb's favorite philosophers is Karl Popper. However, Taleb wasn't always enthralled with the man who espoused the beauty of empirical falsification. Prior to rediscovering the great philosopher, Taleb went through a self identified anti-intellectual phase early in his career as a trader. He feared becoming a corporate slave with "work ethics" (a term which he interprets to mean inefficient mediocrity). "Philosophy, to me," Taleb writes, "became something rhetorical people did when they had plenty of time on their hands; it was an activity reserved for those who were not well versed in quantitative methods and other productive things. It was a pastime that should be limited to late hours, in bars around the campuses, when one had a few drinks and a light schedule -- provided one forgot the garrulous episode as early as the next day. Too much of it can get a man in trouble, perhaps turn one into a Marxist ideologue." As they say, the dose determines the poison.
Speaking of poison, another interesting idea that Taleb espouses is that being too attached your beliefs is poisonous. As he puts it: "Loyality to ideas is not a good thing for traders, scientists, -- or anyone". I like to think about it this way, there are times we shouldn't trust experts precisely because they are experts. This is because they are no incentives to be brutally critical of your own ideas. A scientist or a preacher who has built their career on a certain idea obviously has a lot invested in that idea. How likely are they to be critical of their own position when their livelihood depends on it being accepted? What if they are putting out pseudo-scientific nutritional guidelines that cause harm, but help them keep their job?
According to Popper there are only two types of theories:
1) Theories that are known to be wrong, as they were tested and adequately rejected (he calls them falsified).
2) Theories that have not yet been known to be wrong, not falsified yet, but are exposed to be proved wrong.
If you accept Popper's epistemology, like I also do, you can never claim that you know a theory to be true. In other words, we can only gain knowledge through proving that things are false. For instance, when I accidentally find myself in a theistic debate, people often challenge me to tell them how the universe came into existence. When I say `I don't know', they become infuriated. How dare I have the gall to dismiss some of their religion's claims as not true without projecting my own claim to reality? Yet, that's exactly the point. I gain knowledge through knowing what's wrong, not through making claims about what I think is right.
So what should we make of Taleb's extreme and obsessive Popperism in a more practical sense? How does he recommend we apply to it our lives? I think it can be summarized in the following passage:
I speculate in all of my activities on theories that represent some vision of the world, but with the following stipulation: No rare event should harm me. In fact, I would like all conceivable rare events to help me. My idea of science diverges with that of the people around me walking around calling themselves scientists. Science is mere speculation, mere formulation of conjecture.
The following thought experiment really helped me internalize this message. Assume you participate in a gambling game that has 999/1000 chance of winning $1 [Event A] and a 1/1000 chance of winning $10,000 [Event B]. Using some straightforward calculations the expectation of a loss is roughly $9 (multiply the probabilities by the outcome for each event and then sum them) Which event would you bet on? I suspect that most people consider the frequency or probability in their decision, but this is totally irrelevant. According to Taleb, even people like MBAs and economists with some statistical training fail to understand this point. The magnitude of the outcome should be the only relevant factor in the decision. Think of a trader who focuses on event B, sure, he is likely to bleed slowly for long periods of time, but when the rare event happens the payoff is astronomical compared to the losses. Most of us, however, are schooled in environments that focus on games with symmetrical outcomes (e.g., a coin toss). The great psychologist and father of behavioral economics, Daniel Kahneman, also reminds us that we are loss averse and psychologically struggle with idea of bleeding out small losses for extended periods of time, even if there is eventually the opportunity for a huge payday.
Once you realize that life is full of scenarios with asymmetrical payoffs, you're thinking (if you're anything like me anyway) will be permanently altered. In fields like, say, writing, the outcomes are asymmetrical. In other words, there is not a linear relationship with the number of hours spent writing and the amount of income one makes. One may spend a long time writing for free and then finally catch a huge book deal. For me, this is somewhat of a moot point because I'd write for free without any other justification other than the fact that it's fun and makes me happy. However, if all other things were equal, and I could also make money doing something I love, I would be very happy.
Here's another piece of practical wisdom that I really enjoyed: "stay away from people of a competitive nature, as they have a tendency to commoditize and reduce the world to categories, like how many papers they publish in a given year, or how they rank in the league tables." These are the same kinds of people who think that their GPA reflects their intelligence. Or that the number of hours they spend running on a treadmill reflects their fitness. Or that their inherited wealth says something about their genetic fitness. Or that their expensive clothes make them beautiful. I could continue on and on, but I think you get the point.
I often hear those around me complaining about how life will be better when they achieve "X". Alas, I'm human and guilty of making claims like this on occasion too. The trouble is that, for most of us anyway, we won't really experience long-term improvements in our happiness when we achieve "X". Throughout the book, Taleb devotes a fair amount of time alerting readers of what the literature in behavioral economics tells us about our irrational tendencies and biases.
For example, there's the social treadmill effect: you get rich, move to rich neighborhoods, then become poor again once you compare yourself to your new peers. Then, you may work your ass off and get rich again, only to repeat the cycle. If you want to feel worse about yourself, then the best piece of positive advice I know of is to hang around people who are wealthier than you. I often try to remind myself that I'm living a life that is materially better than 99.9% of all humans that have ever existed and yet I still have the audacity to claim that I don't have enough sometimes. Pathetic.
At one point in the book, Taleb writes: "I see no special heroism in accumulating money, particularly if, in addition, the person is foolish enough to not even try to derive any tangible benefit from wealth (aside from the pleasure of regularly counting the beans)". In other words, money is only valuable if you use it as a tool to extract enjoyment from life.
If it isn't clear, I think he is making reference to the likes of Warren Buffett, whom people tend to see as being virtuous simply for the fact that he has been able to accumulate hordes of money. What I think many people fail to understand is that there is nothing virtuous about having money just for the sake of having it. How someone earned what they have tells you a lot more about them than how much they have. We generally tend to think that having money signals other traits about a person, but I'll remind you that there is a lot of noise in those signals (think inheritance). Having money doesn't necessarily signal any superior traits.
Those who want to make a lot of money are greedy and shouldn't try to deny that motivation. Greed, however, is not necessarily a bad thing. As Adam Smith taught us, another mans' greed can create more wealth for society as a whole (provided the individual's wealth is ethically obtained).
Do cigarette smokers understand probabilities? If so, how can they rationally understand the ills of cigarettes and yet be foolish enough to smoke them anyway? When I go for walks near hospitals I'm always surprised by the number of people in scrubs (perhaps some of whom are doctors and nurses) who I assume are well aware of how harmful cigarettes are, but smoke them anyway. Apparently, intellectually understanding something and being able to put it into practice are two different things.
One thing Taleb also writes about is the selection bias in blogging and book reviewing. The cover of my edition of Fooled By Randomness has an excerpt praising Taleb as one of the "hottest thinkers" in the world. While I certainly agree, I couldn't help but smirk after reading that line -- can you say selection bias?
Any book that is worth reading twice is worth reading more than twice. When you love a writer, you want to hear his opinion on just about everything.
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How We Are All Fools of Randomness
This book was not the simplest book I have ever read, but very insightful for the market trader/investor. I will provide a little insight of my own into the realm of Nassim Taleb. I enjoyed the fact that the author explained concepts of the financial nature in the most basic manner. For a person not to savvy in financial terminology the book was readable, it was actually other topics that the author randomly introduced that was a little harder to read. The book is about how people, who invest in or trade in the market, fail or succeed due to factors outside of their control. The author brings to light many concepts that people more often than not overlook. The author provides countless examples to break his concepts down into a comprehensible level. One point that is emphasized throughout the book is that most people fall into a trap of luck.
Taleb started his book by introducing Solon, a Greek legislator. He began his book with Solon, because of Solon's wisdom, "...to admire a man's happiness that may yet, in course of time, suffer change. For the uncertain future has yet to come, with all variety of future; and him only to whom the divinity has[guaranteed] continued happiness until the end we may call happy."(Taleb 3). Then the author explained how people could do everything right, but still fail. This was due to a randomness factor. These factors can be a natural disaster, an election, a terrorist attack, etc. People can crunch every number in the world to until their fingers bleed, but still fail. People can have tips and inside knowledge, but still fail. The author stresses this idea of randomness and repetitively intertwines it into the different scenarios presented into this book. The beginning of the book, the concept of randomness was introduced via two characters Nero and John. Taleb shows how randomness affects both characters that are of opposite mindsets. He later tells of how people's decisions are affected by emotions. He demonstrates this by telling of an experiment done, where a person is alleviated from his emotions. The emotion stricken person was not even able to complete the simplest tasks. The author spoke of emotions, because without it people would get nothing accomplished, on the other hand, with emotions, people can act irrationally which leads to bad decisions. The author makes his position on journalist in his field quite clear. Without hesitation, his detestation for journalist simmered throughout the pages. The author does not agree with journalist, because they are people who are inexperienced in the financial field, yet write about it; they fail to understand randomness. Then their idiocracy(yes I know this is made up, but fits the situation so well) is then consumed by their readers, who take the written fallacies to heart, which can lead to inadequate decisions. Next, Taleb speaks of a Monte Carol engine, which I have gathered as something to produce data of scenarios ran a countless amount of times, with random situations passed into the scenarios every time. The author preferred Monte Carlo methods, because he could care less about the ideas behind mathematics, but only the application. I found this a little intriguing that a person that is so knowledgeable in the financial field, which deals mainly with numbers, does not care for the properties of mathematics. The next topic the author presents is the association of Darwinism and companies. Companies cannot be viewed in the survival of the fittest manner, because the Darwinian ideas cannot and do not accommodate for randomness, which we learn from this book is a big part of the business world. Randomness can be either good or bad, essentially it will all come down to luck. A person will be either lucky or unlucky, but the author explains that eventually it will reverse itself and the unlucky will become lucky and the lucky become unlucky. Taleb introduces many significant subject matter experts throughout the book to support his claim of people being fooled by randomness.
I feel as if the author was a bit random himself. The way the text was presented seemed a little unorthodox to me. The author would present a subject, talk about it, provide examples about it, but then the next topic would be totally off on some other tangent, while all in the same chapter. I'm not even sure if everything written in the book could be tied back to randomness in some manner, but that I will go ahead and assume is to be blamed on my inexperience on the subject matter. The structure of the book is one thing I did not agree with. Although, this is the style of writing the author may have intended. I believe the book was well conversed and definitely and eye opener. Taleb did well in explaining complex material in a simplified fashion. I enjoyed all of the examples presented in the book; I felt they gave the book some character. I understand I cannot be considered a person well versed in the financial world, so everything written here completely opinion based. The main piece of knowledge I can confidently say I have gained from this book is that there is nothing that can be done to tame this unforgiving beast that is randomness.
For a book whose topic is of a subject that, I believe, many would consider of a dull nature was quite interesting. The book kept my interest with its comprehensible examples and insightful views. I definitely would recommend this book to anyone that has dealings in the economic world. Actually, I honestly believe this book could just about relate to anyone and everyone, because randomness is part of everyone's lives. I did not ever consider randomness to ever be as big of a factor in life as, I know it is, now. I will take the knowledge gained from reading this book and hopefully put it to good use.
Top reviews from other countries
This is my third Taleb book and I actually believe it's his best work. Black Swan is close behind and was my first read of his. Earlier in the year picked up Skin in The Game, which I don’t recommend unless you’ve read his other books because you will think him a bit too much.
Fooled by Randomness is Taleb before he became a little bit too cocky with himself. You can see that he still possesses his large ego and humour in this one but hasn't gone overboard with his own success like we find him in his latest book, Skin in the game.
Don’t ask me why I started with Black Swan rather than this, I was told by many that Black Swan was better than this but I disagree now. I am thankful to have listened to a podcast recently from Howard Marks discussing how this is one of his favourites and I can see why.
Onto the book itself - FBR is as I said in the headline to be considered a 'classic'. Why? It gets you to think about how random the world can truly be and how the events we reflect on now was just one of many paths that occurred. It is one of those books that I think everyone should revisit every year or two when they have the time as the concepts are so important.
The book was written in 2001 and is about luck or “randomness”. Since then, there have been a few books since like Maubussin’s ‘Untangling Skill and Luck’ but I feel this is the better one of the genre and what rightfully kicked off Taleb’s Big Bang of success in the book world.
Taleb uses examples throughout to discuss randomness and how we find it irresistible to look at events, companies, people and ignore the ‘survivorship bias’. In a nutshell, the survivorship bias implies that the highest performing realization will be the most visible. Why? Because the losers do not show up.
It got me thinking about the winner take all nature of society and business but how some of this is just down to chance. We never hear about the losers, only the winners. While I don’t agree with his comment about Warren Buffet being lucky (quote “I am not saying that Warren Buffett is not skilled; only that a large population of random investors will almost necessarily produce someone with his track records just by luck”) the book will give you pause to think about what else that we see today is thanks to chance and randomness and then how can you in your own life increase your own odds of success.
Despite confessing in the introduction that this is not a "finance" book, it is laced with finance and trading examples regularly throughout. Taleb can’t help himself as this is his domain and previous career as a trader. I am in finance myself and think his example about traders having small wins accumulated here and there eventually leading to a blow up is very original. Black Swan largely covers this however. One of his better examples is regarding two traders (Carlos and John) illustrate how during the 80’s and 90’s trading desks were filled with people who had no concept of randomness and luck and then despite making $60m for a bank in their career, can often lose multiples of this on the way out without any repercussions (Btw, this is where the idea of Skin in the Game comes at many years later).
Nevertheless, when this random event happens, the excuse given by these traders who do not understand randomness is along the lines of “it was a black swan, how could anyone know that [insert asset class] would do that”. We learn that nobody accepts randomness when it comes to their own success, only when they fail.
One of my favourite quotes and perhaps a good summary of the concept of the book is “"We tend to think that traders were successful because they are good. Perhaps we have turned the causality on its head; we consider them good just because they make money. One can make money in the financial markets totally out of randomness."
Without droning on too long, this is an entertaining book. It is very funny at times and I suggest watching Taleb on Youtube before or during the book so you can see how he is in person to appreciate the book even. more. To me, it is one of those rare books that I think will alter how you view the successes of events, people and companies. Their success was not necessarily pre-ordained. What we see was just one of many possible outcomes that could have occurred. This is why randomness and luck is such a fascinating topic to me. While there are applicable lessons in other domains such as business and I would recommend this book to people outside of finance, you will enjoy it so much more if you understand trading and finance.
Furthermore, if you’ve heard people telling you to read Mr Taleb, then don’t make my mistake and start with this one rather his more recent books. You will get a sense of why Taleb is as revered as he is.
The book brings "randomness" to the centre of the thought process. The idea that history is just one sample path randomly chosen from all the available sample paths at that point was explained well.
Author, as expected, and seen on YouTube videos, does have a different attitude and tone on his writing, but I feel it suits him.
Solon's explanation on who is luckiest was a good one too. There are several other characters and points which are explained well but probably I either couldn't recollect as I am writing this review OR I simply glanced them through.
Nevertheless, this did make me fan of NNT, and worth a re-read.
Basically, the book is about the importance of randomness in our everyday lives and how we don't perceive it. The book shows through numerous examples and little stories how randomness shapes events, which we usually don't attribute to chance. The book manages to change your intuition about a lot of topics with regard to success and failure and makes you a bit more humble in the moments of success and less full of despair in times of distress.
The book might be a bit too long to get the point across but all in all it is very worthwhile and entertaining read, especially if you enjoy Taleb's humour. If you have enjoyed Taleb's other work, this is a must read.


















