James_Miller comments on The Epistemic Prisoner's Dilemma - Less Wrong

33 Post author: MBlume 18 April 2009 05:36AM

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Comment author: James_Miller 18 April 2009 06:16:22PM 8 points [-]

Another example:

Pretend we have two people, a Republican and a Democrat, who can each donate to three charities: The Republican party, the Democratic Party, and a non-political charity.

Both people's utility is increasing in the amount of resources that their party and the non-political charity gets. And, as you would expect, the Republican is made worse off the more the Democratic party gets and the Democrat is made worse off the more the Republican party gets.

The two people would benefit from an agreement in which they each agreed to give a higher percentage of their charitable dollars to the non-political charity than the would have absent this agreement.

To the best of my knowledge, such agreements are never made.

Comment author: gwern 18 April 2009 07:56:02PM *  6 points [-]

But similar agreements are made in politics. A close (but not isomorphic) example would be vote-trading and especially vote-pairing.

Perhaps it's just that no one has suggested it before or gone through with it. Dozens of people have suggested prediction registries or prediction markets, for example, but the number of working & large examples can be counted on one hand.