Friday, February 21, 2014

Antifragile


Antifragile: Things That Gain from Disorder (Incerto) Paperback – January 28, 2014

Author: Visit Amazon's Nassim Nicholas Taleb Page | Language: English | ISBN: 0812979680 | Format: PDF, EPUB

Antifragile: Things That Gain from Disorder – January 28, 2014
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  • Series: Incerto
  • Paperback: 544 pages
  • Publisher: Random House Trade Paperbacks; Reprint edition (January 28, 2014)
  • Language: English
  • ISBN-10: 0812979680
  • ISBN-13: 978-0812979688
  • Product Dimensions: 8.1 x 5.2 x 1.1 inches
  • Shipping Weight: 12 ounces (View shipping rates and policies)
  • Amazon Best Sellers Rank: #2,951 in Books (See Top 100 in Books)
    • #7 in Books > Business & Money > Investing > Stocks
    • #20 in Books > Health, Fitness & Dieting > Psychology & Counseling > Personality
    • #51 in Books > Medical Books > Psychology > General
1 Summary
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1.1 Introduction
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Taleb conveniently quotes one of his friend's summary of this book: "Everything gains or loses from volatility. Fragility is what loses from volatility and uncertainty."

I think the point is better expressed by rephrasing: "Antifragility is what gains from volatility and uncertainty, up to a point. And being antifragile is a good thing."

Well, that's pretty much summarizes this 500-pages-long book. The rest is an accumulation of more or less relevant topics, delivered in Taleb's trademarked seering, holier-than-thou, hero-or-moron style. Why, even in "Dynamic hedging", his first, $100-book on trading exotic options, he was already both immensely entertaining and almost unbearably infuriating.

1.2 A few of the more interesting points:
=========================

1.2.1 Every phenomenon in the world belongs to one of the following categories:
Fragile: vulnerable to unforeseen shocks
Robust: indifferent to shocks
Antifragile: thrive on shocks, up to a point.
That's what Taleb calls the Triad.

1.2.2 Most modern structures are inherently fragile
Salaried employment: while it looks safe on the surface (predictable salary every month) it is subject to the catastrophic risk of losing one's job.
Debt-fueled economies: debt has no flexibility, so these economies can't stand even a slowdown without risking implosion (cf current situation)
Modern societies: efficiency demands are pushing the structures to the maximum, so a little sand in the cogs make the whole edifice totter.
Touristification: turning adventures (kids growing up, people visiting foreign countries) from exciting, dangerous activities into bland, Disneyfied and safe ones.
I begin for readers who have not read anything else by this author, especially those who are familiar with his ideas only second-hand. His second book, Fooled by Randomness, is by far the easiest introduction to his ideas. It is relatively short and illustrates his ideas in dramatic and amusing stories. For people with technical backgrounds, the first book, Dynamic Hedging, makes the points in a much more restricted domain (managing risk of financial options) which allows more precision. The Bed of Procrustes is striking and insightful, but as it is a series of loosely connected aphorisms, the reader has to sort out the links for herself.

Taleb's third and most commercially successful book, The Black Swan, and this one (which may become his most successful), lay out his ideas in more breadth and depth. The three in the first paragraph are relatively non-controversial. They are critical mainly of people who are safe to ridicule, those who are blind to the uncertainty in the universe in fields that are ruled by randomness, such as finance. The Black Swan and Antifragile attack--in the most intemperate language--people, ideas and professions accustomed to reflexive worship.

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