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The subgame perfect equilibrium in addition to the Nash equilibrium requires that the strategy also is a Nash equilibrium in every subgame of that game. This eliminates all non-credible threats , that is, strategies that contain non-rational moves in order to make the counter-player change their strategy.
Scar (傷の男 （ スカー ）, Sukā, literally "the scarred man") is one of the survivors of the Ishbalan Extermination Campaign, and named for the scar across his face. Depicted as an Ishbalan warrior priest, Scar was a capable fighter who desperately tried to save whomever he could from the onslaught.
In game theory, a cursed equilibrium is a solution concept for static games of incomplete information.It is a generalization of the usual Bayesian Nash equilibrium, allowing for players to underestimate the connection between other players' equilibrium actions and their types – that is, the behavioral bias of neglecting the link between what others know and what others do.
Strict stationary equilibria: [6] A Nash equilibrium is called strict if each player strictly prefers the infinite sequence of outcomes attained in equilibrium, over any other sequence he can deviate to. A Nash equilibrium is called stationary if the outcome is the same in each time-period. An outcome is attainable in strict-stationary ...
A pure Nash Equilibrium is when no one can gain a higher payoff by deviating from their move, provided others stick with their original choices. Nash equilibria are self-enforcing contracts, in which negotiation happens prior to the game being played in which each player best sticks with their negotiated move.
Considering only situations where players play a single strategy without randomizing (a pure strategy) a game can have any number of Nash equilibria. Sequential game : A game is sequential if one player performs their actions after another player; otherwise, the game is a simultaneous move game .
Brown first introduced fictitious play as an explanation for Nash equilibrium play. He imagined that a player would "simulate" play of the game in their mind and update their future play based on this simulation; hence the name fictitious play. In terms of current use, the name is a bit of a misnomer, since each play of the game actually occurs.
Nash equilibrium, the basic solution concept in game theory Quasi-perfect equilibrium, a refinement of Nash Equilibrium for extensive form games due to Eric van Damme; Sequential equilibrium, a refinement of Nash Equilibrium for games of incomplete information due to David M. Kreps and Robert Wilson; Perfect Bayesian equilibrium, a refinement ...