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DanielLC comments on [Discussion] The Kelly criterion and consequences for decision making under uncertainty - Less Wrong Discussion

5 Post author: Metus 06 January 2013 02:14AM

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Comment author: DanielLC 06 January 2013 06:03:31AM 1 point [-]

"the utility-maximizing strategy is 100% all-in bets"

Not quite. It's going all-in when the expected value is greater than one, and not betting anything when it's less. If you have a 51% chance doubling your money, go all in. If you have a 49% chance, don't bet anything. In fact, bet negative if that's allowed.

Comment author: CarlShulman 07 January 2013 02:14:18AM 1 point [-]

Right, and Kelly allocation is 0 for negative EV bets.