, generically, core points exist; that is, to determine when the core exists in other than highly contrived settings. As known, the … subtle, critical error in their proofs. The sharp dimensional values along with results about the structure of the core are …

core. In order to obtain this result a restrictive dominance relation - which we label outsider independent - is employed. … structure core there exists a finite sequence of successively dominating outcomes that terminates in the coalition structure …

effect, the core is nonempty when coalition feasible sets are monotonic and players' preferences over public goods have … connected support. All core allocations consist of connected coalitions and they are Tiebout equilibria as well. We also examine …

does not hold for optimistic players. We propose a new core concept to overcome this puzzle and provide numerical …

Conventional wisdom tells us that with no market failure and local non- satiation of preferences, the core is at least … remains efficient, but no longer need be in the core. …

that the existence of strongly stable networks is equivalent to core existence in a derived cooperative game and use that …

cores the core can be reached in a bounded number of proposals and counterproposals. Our result is more general than this …: the boundedness holds for any two imputations with an indirect dominance relation between them. …

-independent dominance relation, accessible (or admis-sible) and closed. This outsider- independent dominance relation is restrictive in the …. The minimal (for inclusion) dominant set is non-empty and for a game with a non-empty coalition structure core, the … minimal dominant set returns this core. …

-stable set, a core-like concept, is nonempty and can be approached through an algorithm. The usual core may be empty. The setwise … of core-like solutions, besides the setwise-stable set. …

apply them in the characterization of two solution concepts. One is Wilson's (1978) Coarse Core and the other is a … subsolution of it which we call the Coarse+ Core. …