We propose a semi-cooperative game theoretic approach to check whether a given coalition is stable in a Bayesian game with independent private values. The ex ante expected utilities of coalitions, at an incentive compatible (noncooperative) coalitional equilibrium, describe a (cooperative)...

Most economic decisions involve agents who do not share the same information. Suppose a planner wishes to collect the agents? information and act for them. Is there a synthetic description of the set of all procedures available to the planner? Which are the criteria to be fulfilled by an optimal...