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In game theory, a contingent cooperator is a person or agent who is willing to act in the collective interest, rather than his short-term selfish interest, if he observes a majority of the other agents in the collective doing the same. The apparent contradiction in this stance is resolved by game theory, which shows that in the right circumstances, cooperation with a sufficient number of other participants will have a better outcome for cooperators than pursuing short-term selfish interests.


See also

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Cooperation Cooperation (written as co-operation in British English) is the process of groups of organisms working or acting together for common, mutual, or some underlying benefit, as opposed to working in competition for selfish benefit. Many animal ...
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Iterated prisoner's dilemma The Prisoner's Dilemma is an example of a game analyzed in game theory. It is also a thought experiment that challenges two completely rational agents to a dilemma: cooperate with their partner for mutual reward, or betray their partner ("def ...
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Tit for tat Tit for tat is an English saying meaning "equivalent retaliation". It developed from "tip for tap", first recorded in 1558. It is also a highly effective strategy in game theory. An agent using this strategy will first cooperate, then subsequ ...


External links

* Ronald A. Heiner
Robust Evolution of Contingent Cooperation in Pure One-Shot Prisoners' Dilemmas.
Discussion Papers Nos. 2002-09 and 2002–09, Center for the Study of Law and Economics discussion paper series, 2002. * Christopher Wilson

��I Will if You Will: Facilitating Contingent Cooperation”, Optimum Online, Vol. 37, Issue 1, Apr 2007 {{Game theory Game theory