Harada, Takashi; Nakayama, Mikio - Faculty of Economics, Keio University - 2008
In a strategic cooperative game, we consider four cores α, β, γ and the one we call δ which is essentially the same to conjectural cooperative equilibria due to Currarini and Marini [2]. We show that if every player has a dominant strategy, the β-core includes the γ-core, and therefore...