Stuart_Armstrong comments on Consequences of arbitrage: expected cash - Less Wrong

5 Post author: Stuart_Armstrong 13 November 2009 10:32AM

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Comment author: Stuart_Armstrong 16 November 2009 02:42:05PM 0 points [-]

Mainly agree - but don't forget aggregation. You can get rid of risk even if everyone is risk-averse, just by replacing "whole ownership of few risky contracts" with "partial ownership of many risky contracts".

In the example in this post, if I own LH and you own LT, and we are both risk averse, we gain from trading half our contracts to each other.