continue to negotiate as long as there are gains from trade, and coalitions may create positive or negative externalities. The … bargaining solution, for games where the worth of all pairwise coalition is less than a third of the grand coalition value; the … Shapley value, for games where the sum of the value created by all pairwise coalitions is greater than the grand coalition …

coalition formation. It allows to make an explicit distinction between within-group and outside-group deviation options. This … the bargaining set containing a minimal winning coalition are characterized. Furthermore, it is shown that the bargaining … set of any homogeneous weighted majority game contains an outcome for which the underlying coalition structure consists of …

This paper studies an extensive form game of coalition formation with random proposers in games with externalities. It … strong condition, the equilibrium coalition structure is not necessarily efficient. There may be multiple equilibria even in … the absence of externalities, and symmetric players are not necessarily treated symmetrically in equilibrium. If the grand …

This chapter surveys a sizable and growing literature on coalition formation. We refer to theories in which one or more … payoffs at each date according to the coalition structure prevailing at the time. We use this model to nest two broad … approaches to coalition formation, one based on cooperative game theory, the other based on noncooperative bargaining. Three …

This paper studies coalition formation among individuals who differ in productivity. The output of a coalition is … determined by the sum of productivities if the coalition exceeds a minimal threshold of members. We consider competitive … societies in which the surplus of a coalition is split according to productivity and egalitarian societies in which coalitions …

We study coalitional stability in matching problems with externalities, including marriage markets, roommate problems … deviation, the social connectedness of those that can react to it, and the incidence of externalities in preferences. At the …

We develop a model of assignment games with pairwise-identitydependent externalities. A concept of conjectural …