Within Game Theory, a Prisoner's Dilemma is a scenario where each player playing their dominant strategy leads to a less than optimal outcome for the group, and therefore is useful in understanding why cooperation between parties often fails.
Added by Jordi J.
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Strategies for players to overcome a prisoner's dilemma include: a competing more rigorously to achieve a better outcome. b avoiding collusion, which hurts all players involved. c playing the strategies that lead to a Nash equilibrium. d playing the game repeatedly over time to promote cooperation.
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We know that the single-shot prisoner's dilemma game results in a dominant Nash equilibrium strategy that is Pareto inefficient. Suppose we allow the two prisoners to retaliate after their respective prison terms. Formally, what aspect of the game would this affect? Could a Pareto efficient outcome result?
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