We introduce a description of the power structure which is inherent in a strategic game form using the concept of an interaction sheaf. The latter assigns to each open set of outcomes a set of interaction arrays, specifying the changes that coalitions can make if outcome belongs to this open...

In this paper we propose an extension of the core of NTU games from its domain to a larger set of games satisfying a few conditions of well-behavedness. The solution concept is a rather straightforward generalization of the extended core of TU games introduced by Gomez [2003] and is shown to...

This paper proposes a mechanism for the regulation of firms in the context of asymmetric information with the aim to induce firms to report its private information truthfully and to save information rents. Baron and Myerson (1982) have considered this problem and derived an optimal policy for...

For the study of economic integration, it is costumary to use a three countryworld, where two of the countries may introduce forms of closer economic cooperation. In the present model, we follow this tradition but put special emphasis on the role of credit and entrepreneurship. Our model is of...

We consider a simple model of international trade under uncertainty, where production takes time and is subject to uncertainty. The riskiness of production depends on the choices of the producers, not observable to the general public, and these choices are influenced by the availability and cost...