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Paul_Christiano comments on Announcing the 2017 donor lottery - Effective Altruism Forum

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Comment author: Paul_Christiano 18 December 2017 06:41:14AM *  0 points [-]

You have diminishing returns to money, i.e. your utility vs. money curve is curved down. So a gamble with mean 0 has some cost to you, approximately (curvature) * (variance), that I was referring to as the cost-via-risk. This cost is approximately linear in the variance, and hence quadratic in the block size.