economies under asymmetric information. I obtain a new notion of core that refines Wilson (1978)'s coarse core. It is nonempty … as a technical tool for proving the nonemptiness of the coarse core. Indeed, the core converges to the set of Wilson …

A core allocation of a complete information economy can be characterized as one that would not be unanimously rejected … such voting games, this approach makes it possible to derive core concepts in which information sharing is endogenous. Our … results lend support to credible core of Dutta and Vohra (2003) and the core proposed by Myerson (2003) as two that can be …

This paper reinterprets the gamma-core (Chander and Tulkens (1995, 1997)) and justifies it as well as its prediction …

The core is extended to games with incomplete information. The feasible set is characterized by incentive …