![]() ![]() Ī common method for determining subgame perfect equilibria in the case of a finite game is backward induction. Kuhn in 1953 and "equivalent to the assertion that each player is allowed by the rules of the game to remember everything he knew at previous moves and all of his choices at those moves". Perfect recall is a term introduced by Harold W. Every finite extensive game with perfect recall has a subgame perfect equilibrium. of the subgame), no matter what happened before. Informally, this means that at any point in the game, the players' behavior from that point onward should represent a Nash equilibrium of the continuation game (i.e. A strategy profile is a subgame perfect equilibrium if it represents a Nash equilibrium of every subgame of the original game. In game theory, a subgame perfect equilibrium (or subgame perfect Nash equilibrium) is a refinement of a Nash equilibrium used in dynamic games. Game theory concept Subgame Perfect Equilibrium ![]()
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