We consider three-sided coalition formation problems when each agent is concerned about his local status as measured by … the average rankings of the other types of groups. We show that a core stable coalition structure always exists, provided …

recursive core coalition structure may be either coarser or finer than the one that maximizes the social surplus. Moreover, the … general games, including non-superadditive games where the grand coalition does not form in equilibrium. We do not put any …

quarreling members in coalitions). One example of such exclusions is the coalition statements of parliamentary parties. Other …

Coalition formation is often analysed in an almost non-cooperative way, as a two-stage game that consists of a first … coalition structures with abstract physical games in terms of qualitative properties of their primitives. …

produce for the endogenous formation of an international counterterror coalition. We show that there are quite reasonable … counterterror coalition, holding the choices of all other nations as given. The incentives to join the coalition are the group …-specific benefits from retaliation enjoyed by each coalition member, the relatively lower spillover benefit from retaliation enjoyed by …