Chander, Parkash; Wooders, Myrna - Vanderbilt University Department of Economics - 2010
introduce a concept of subgame perfect cooperative equilibrium, which we label the gamma-core of an extensive game. We provide a … necessary and sufficient condition for the existence of the gamma-core of an extensive game of perfect information. As a … payoff functions are quadratic, then the gamma-core of the game is nonempty. …