passive_fist comments on Rationality Quotes December 2013 - Less Wrong

7 Post author: Cyan 17 December 2013 08:43PM

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Comment author: hyporational 03 December 2013 02:16:51AM *  3 points [-]

I'd be interested in some guesstimations on how much luck it would take to be Warren Buffett, for example. Survivorship bias in finance is often employed as a just so story.

Comment author: passive_fist 03 December 2013 06:39:30AM *  1 point [-]

The question is: luck in what, specifically?

Luck in every single trade?

Luck in that first trade that made him big money?

Luck in being exposed to trade at such a young age?

Luck in being born at the right place, right time?

Luck in having a specific set of genes that, say, gives him a high intelligence?

If you say "all of the above", then being Warren Buffet is pure luck, and since there is only one Warren Buffet in 7 billion people, the maximum likelihood estimate for the probability of having enough luck to be Warren Buffet is about 1/7,000,000,000.

This answer probably doesn't help at all, I'm just trying to point out some of the difficulties in guesstimation :)

Comment author: hyporational 03 December 2013 06:50:04AM *  2 points [-]

I'd venture a guess luck/chance in this context means winning against the odds, making decisions that should have negative or zero/little expected utility given the available information and becoming rich in spite of that.

Is luck really this difficult a concept?

Comment author: scav 05 December 2013 10:54:20AM 0 points [-]

Yes?