We consider dynamic group formation in repeated n-person prisonerʼs dilemma. Agreements in coalitional bargaining are self-binding in that they are supported as subgame perfect equilibria of repeated games. Individuals are allowed to renegotiate the cooperating group agreement through a process...

Best response structure of n-person binary coordination games suggests that equilibrium selection outcome is determined by the balance of the ordinal aspects and the cardinal aspects of the game. This intuition inspires new equilibrium selection results for that class of games under the adaptive...