Game theory is a branch of mathematics that deals with decision making when there are multiple decision-makers, called “players”, and outcomes depend on the decisions of other players. Game theory is based on the metaphor of a game, in which the rules of play and the outcomes are well defined. The game metaphor is a very useful abstraction. Game theory is used to understand behavioral strategies in economics, evolutionary theory, politics, warfare and other domains. It is especially important for understanding how society works.

Game theory is a branch of mathematics that deals with decision making when there are multiple decision-makers, called “players”, and outcomes depend on the decisions of other players. Game theory is based on the metaphor of a game, in which the rules of play and the outcomes are well defined. The game metaphor is a very useful abstraction. Game theory is used to understand behavioral strategies in economics, evolutionary theory, politics, warfare and other domains. It is especially important for understanding how society works.

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