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 …

a modification of the Bondareva-Shapley duality. 3. Via an explicit consideration of "coalition building". 4. Via … associating general TU-games to coalition-production economies. Rather than imputations, we base our analysis on a modification of …

) core is empty if and only if the maximum of generated payoffs (mgp) is greater than the grand coalition’s payoff v(N), or …This paper first establishes a new core theorem using the concept of generated payoffs: the TU (transferable utility …

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 …

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 …