From the textile machinery of the industrial revolution to the discovery of many pharmaceutical drugs, it was tinkering and evolutionary serendipity we have to thank, not design from first principles. Mr. Taleb systematically demolishes what he cheekily calls the "Soviet-Harvard" notion that birds fly because we lecture them how to—that is to say, that theories of how society works are necessary for society to work. Planning is inherently biased toward delay, complication and inflexibility...
If trial and error is creative, then we should treat ruined entrepreneurs with the reverence that we reserve for fallen soldiers, Mr. Taleb thinks. The reason that restaurants are competitive is that they are constantly failing. A law that bailed out failing restaurants would result in disastrously dull food.
Something that is fragile, like a glass, can survive small shocks but not big ones. Something that is robust, like a rock, can survive both. But robust is only half way along the spectrum. There are things that are anti-fragile, meaning they actually improve when shocked, they feed on volatility. The restaurant sector is such a beast. So is the economy as a whole: It is precisely because of Joseph Schumpeter's "creative destruction" that it innovates, progresses and becomes resilient.
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