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JGWeissman comments on Bayesian Utility: Representing Preference by Probability Measures - Less Wrong

10 Post author: Vladimir_Nesov 27 July 2009 02:28PM

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Comment author: JGWeissman 27 July 2009 10:42:31PM 0 points [-]

Expected utility is usually written for actions, but it can be written as in the post as well, it's formally equivalent.

However, the ratios of the conditional probabilities of those outcomes, given that you take a certain action, will not always equal the rations of the unconditional probabilities, as in your formula.