the unique welfare distribution that is core-stable and satisfies the condition that no agent gets a utility payoff above … has an increasing benefit function (no externalities) then every weighted hierarchical solution is core-stable. In case of …

-298) is proposed to allow for multiple membership. The definition of the core is adapted analogously and the possibilities for …

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