, we show that on the domain of solvable hedonic coalition formation games, the Core is characterized by coalitional … games, there exists a solution not equal to the Core that satisfies coalitional unanimity, consistency, competition …We consider hedonic coalition formation games with variable sets of agents and extend the properties competition …

In this note we show that no solution to coalition formation games can satisfy a set of axioms that we propose as … reasonable. Our result points out that solutions to the coalition formation cannot be interpreted as predictions of what would be … resting points for a game in the way stable coalition structures are usually interpreted …

than usual discount of $10 million among 5 importers. The discount is a result of forming a coalition by 5 current …

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 …

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 …

properties. Weprovide axiomatizations of this class of coalition structure sharefunctions using these consistency and … players in the game.In this paper we consider cooperative games in which the playersare organized into an a priori coalition … payoff is equal to its share in someinternal game within its coalition multiplied by the share of thiscoalition in an …

the clan by a "dualize and extend" procedure. These procedures are also useful for relating core elements and elements of … the Weber set of the corresponding games. -- Convex games ; Core , Dual games ; Marginal games ; Total clan games ; Weber …