But, curiously, he makes no appearance in the ultimatum game, a classic economics experiment.
Each twin of a pair played the ultimatum game, both as proposer and as responder.
In another kind of Ultimatum Game, subjects who must choose how much to give often offer more than the lowest amount.
Scores of studies have run the ultimatum game across cultures and ages.
And the ultimatum game does indeed tell us that 83 for you and 17 for me is not considered to be fair at all.
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The logic behind an ultimatum game suggests that, if people wish to maximise their resources, as standard economics assumes, a recipient will accept any offer made by a donor.
As they write in the Proceedings of the National Academy of Sciences, Bjorn Wallace of the Stockholm School of Economics and his colleagues have shown this by playing the ultimatum game with twins.
To find out if chimpanzees share this sense of fairness, Keith Jensen and his colleagues at the Max Planck Institute for Evolutionary Anthropology, in Leipzig, designed a way for chimps to play the ultimatum game.
In an ultimatum game, a participant is given what is for him the equivalent of a day's wages, and asked to contribute a portion of this to a second, anonymous person whom he will never meet again.
In one study published recently in Biology Letters, chimps and bonobos presented with a food-based ultimatum game would accept any food reward on offer - no matter how meagre their share was in comparison to their partner's.
But despite Grant's claim that he has not been given a three-game ultimatum by the board, the former Chelsea and Portsmouth boss says he is prepared for the unexpected.
The game is so named because the proposition is an ultimatum.
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