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 chapter surveys recent models of coalition and network formation in a unified framework. Comparisons are drawn … among various procedures of network and coalition formation, involving simultaneous and sequential moves. The survey also … discussion of efficient network and coalition formation procedures and directions for future research. …

for the existence of an efficient equilibrium in coalitional bargaining with externalities and renegotiations," Operations …

externalities are more positive, there exists a grand-coalition SSPE of the bargaining game for any discount factor. However, if the … separately, considering wage contract externalities. We show that if the two workers are sufficiently complementary or if … two workers are sufficiently substitutable, there is no grand-coalition SSPE for any discount factor. In addition, we …

We study the implementation of social choice rules in environments with externalities. We prove the impossibility of …

encompasses many economic models with externalities and outside options. We show that when outside options are pure (i … distribution of coalitional gains and the dynamics of coalition formation are characterized in four illustrative applications. …

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 …