Example 6: Suppose that the Against Malaria Foundation (AMF) commits $1M to a malaria net distribution. But if AMF had put nothing in, DFID would instead have committed $500,000 to the net distribution. Now, DFID commits that money to something half as valuable. AMF is player 1, DFID is player 2.
The Shapley value of player 1 is: 875000The Shapley value of player 2 is: 375000
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See also: "Effective Altruism" for this concept applied to altruism