concept than the core, and show that the top coalition property guarantees the existence of semistrictly core stable coalition …. -- Coalition formation ; Common ranking property ; Hedonic games ; Semistrict core ; Top coalition property …The top coalition property of Banerjee et al. (2001) and the common ranking property of Farrell and Scotchmer (1988 …

coalitions" that was previously used to derive core existence results. -- Coalition formation ; Semistrict core ; Simple games …We consider the class of proper monotonic simple games and study coalition formation when an exogenous weight vector … players' preferences over coalitions in a hedonic game. We formalize the notion of semistrict core stability, which is …

a new hybrid solution concept, the free-riding-proof core (FRP-Core), which endogenously determines a contribution group …, public goods provision level, and how to share the provision costs. The FRP-Core is always nonempty in public goods economies … but does not usually achieve global efficiency. The FRP-Core has support from both cooperative and noncooperative games …

coalition forms without delay in equilibrium, expected payoffs must be in the core of the characteristic function game that …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 …

In cooperative games, the coalition structure core is, despite its potential emptiness, one of the most popular …

dominance in which an outcome can be dominated by a chain of coalitional `moves' in which each coalition that is involved in the …

This paper introduces a model of coalition formation with claims. It assumes that agents have claims over the outputs … coalition formation emerges. Using resource monotonicity and consistency, we characterize the continuous rationing rules that … induce hedonic games that admit core-stability. …

We study linearly weighted versions of the least core and the (pre)nucleolus and investigatethe reduction possibilities … dual game. Our main results imply, for example, that if the core of the game is not empty, all dually inessential … core and the per-capita (pre)nucleolus from the dual game. This could lead to the design of polynomial time algorithms for …