We propose the “average approach,” where the worth of a coalition is a weighted average of its worth for different …

We propose a semi-cooperative game theoretic approach to check whether a given coalition is stable in a Bayesian game …) coalitional equilibrium, describe a (cooperative) partition form game. A coalition is core-stable if the core of a suitable … which the bidders' final utility possibly depends on the winner's identity. We show that such direct externalities offer a …

members of the coalition group for equilibrium payoffs and welfare effects. In this analysis we also distinguishing between … coalition groups with and without side payments. Overall, coalition groups tend to perform well for the members of the coalition … group in comparison to fully decentralized negotiations, particularly if the objectives of the members of the coalition …

distribution of cost shares that motivates some coalition of agents to separate and to block an initially given Pareto optimal … allocation which can be interpreted as the outcome of a negotiation process when all agents form a grand coalition …

non-coalition countries with regard to emissions and welfare and compare business as usual with the coalition … liberalization by moving from autarky to free trade. Although the coalition steps up its mitigation effort, world emissions rise … environment as well as for the coalition countries’ welfare and the aggregate welfare of all countries; it reduces the range of …