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Tit-for-tat has been very successfully used as a strategy for the iterated prisoner's dilemma.The strategy was first introduced by Anatol Rapoport in Robert Axelrod's two tournaments, [3] held around 1980.
The winner was a very simple strategy submitted by Anatol Rapoport called "tit for tat" (TFT) that cooperates on the first move, and subsequently echoes (reciprocates) what the other player did on the previous move. The results of the first tournament were analyzed and published, and a second tournament was held to see if anyone could find a ...
Axelrod explains the Tit for tat (TFT or T4T) strategy emerged as the most robust option in early IPD tournaments on computer. This strategy combines a willingness to cooperate with a determination to punish non-cooperation.
Tit-for-tat is a ZD strategy which is "fair", in the sense of not gaining advantage over the other player. But the ZD space also contains strategies that, in the case of two players, can allow one player to unilaterally set the other player's score or alternatively force an evolutionary player to achieve a payoff some percentage lower than his own.
"This deadly cycle of tit-for-tat violence must stop," U.N. Secretary-General Antonio Guterres told the 15-member council. The council met after Israel killed the leader of Lebanon's Hezbollah and ...
Axelrod linked Live and Let Live to the co-operative strategy referred to as Tit for Tat. Axelrod's interpretation of "Live and Let Live" as a prisoner's dilemma has been disputed by political scientists Joanne Gowa [3] and Andrew Gelman, [4] who (separately) argue that the assumptions underlying the prisoner's dilemma do not hold in this example.
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