Preprint A717/2012
The Evolutionary Robustness of Forgiveness and Cooperation
Enrique Pujals | Dal Bo, Pedro
Keywords:
We study the evolutionary robustness of strategies in infinitely repeated prisoners' dilemma games in which players make mistakes with a small probability and are patient. The evolutionary process we consider is given by the replicator dynamics. We show that there are strategies with a uniformly large basin of attraction independently of the size of the population. Moreover, we show that those strategies forgive defections and, assuming that they are symmetric, they cooperate.

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