the strategies chosen by their opponents, but also their set of admissible strategies. Debreu (1952) proves the existence … this note, we define the class of supermodular social games and give an existence theorem for this class of games. …

for the existence of market equilibrium. We assume that the production functions of the profit maximizing agents are …

simulation. The appendices proves the existence of the (modified) normal and shifted log-normal LLM used in the pricing. The link …

that the existence of strongly stable networks is equivalent to core existence in a derived cooperative game and use that …We analyze the formation of networks among individuals. In particular, we examine the existence of networks that are … stable against changes in links by any coalition of individuals. We show that to investigate the existence of such strongly …

. 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. …

cores the core can be reached in a bounded number of proposals and counterproposals. Our result is more general than this …

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 …