Abstract
Axelrod has developed an evolutionary approach to the study of repeated games and applied that approach to the Prisoners' Dilemma. We apply this approach, with some modifications in the treatment of clustering, to a game that has the Prisoners' Dilemma and Chicken as special cases, to analyze how the evolution of cooperation differs in the two games. We find that the main barrier to the evolution of cooperation in Chicken is that cooperation may not always be correctly thought of as socially optimal, but that strong forces do push the players toward socially optimal action. We derive some of the results on mixed populations for any game with pairwise interaction.
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I wish to thank Ted Bergstrom. seminar participants at the University of Michigan and the 1983 meetings of the American Political Science Association, and the referees for their comments and suggestions. I also wish to thank Kelly McCauley for helping me clarify my writing and thinking. Finally, I want to especially thank Robert Axelrod for his encouragement and advice on this paper. Of course, any remaining errors are my responsibility.
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Lipman, B.L. Cooperation among egoists in Prisoners' Dilemma and Chicken games. Public Choice 51, 315–331 (1986). https://doi.org/10.1007/BF00128880
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DOI: https://doi.org/10.1007/BF00128880