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Extortion And Evolution In The Iterated Prisoner's Dilemma, Michael J. Earnest
Extortion And Evolution In The Iterated Prisoner's Dilemma, Michael J. Earnest
HMC Senior Theses
The Prisoner's Dilemma is a two player game where playing rationally leads to a suboptimal outcome for both players. The game is simple to analyze, but when it is played repeatedly, complex dynamics emerge. Recent research has shown the existence of extortionate strategies, which allow one player to win at least as much as the other. When one player plays such a strategy, the other must either decide to take a low payoff, or accede to the extortion, where they earn higher payoff, but their opponent receives a larger share. We investigate what happens when one player uses this strategy …