jsalvatier comments on Solve Psy-Kosh's non-anthropic problem - Less Wrong

34 Post author: cousin_it 20 December 2010 09:24PM

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Comment author: cousin_it 20 December 2010 10:48:09PM *  1 point [-]

If the decision of a group decider is "1/9th as important", then what's the correct way to calculate the expected benefit of saying "yea" in the second case? Do you have in mind something like 0.9*1000/9 + 0.1*100/1 = 110? This doesn't look right :-(

Comment author: jsalvatier 21 December 2010 10:25:16PM 3 points [-]

This kind of answer seems like on the right track, but I do not know of a good decision theory when you are not 100% "important". I have an intuitive sense of what this means, but I don't have a technical understanding of what it means to be merely part of a decision and not the full decision maker.

Comment author: GuySrinivasan 21 December 2010 11:34:27PM 1 point [-]

Can the Shapely value and its generalizations help us here? They deal with "how important was this part of the coalition to the final result?".