201f3aa0_ummaries___Cooperation_Commons__Summary_Of
[Authored By] Axelrod, Robert Wu, Jiangzhong [Disciplines] Biology Computer Science Economics Political Science [Abstract] The Tit-for-Tat strategy is vulnerable to noise – errors in implementing choices – that can lead to echoing defections, but can be made less sensitive by adding generosity (occasionally refraining from punishing defection by opponent) and contrition (refraining from punishing a reaction to accidental defection.)" [Summary Of] 
How To Cope With Noise in the Iterated Prisoner's Dilemma
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