Dictionary

Glossary of game theory terms.

Repeated Game

When players interact by playing a similar stage game (such as the prisoner's dilemma) numerous times, the game is called a repeated game. Unlike a game played once, a repeated game allows for a strategy to be contingent on past moves, thus allowing for reputation effects and retribution. In infinitely repeated games, trigger strategies such as tit for tat can encourage cooperation.

updated: 15 August 2005
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