We present the model of games with incomplete information first introduced by Harsanyi and show the link with extensive form games with imperfect information. We provide then a construction of the universal type space of Mertens and Zamir together with some properties.

We analyze an oligopoly model where firms choose both quantities and access fees. Per unit prices are determined endogenously to equate quantity demanded with quantity supplied at each firm. In a Nash equilibrium of the game played by firms, the per unit prices equal mairginal cost and access...

This paper is concerned with the evolutionary stability of social inequality structures. We study the evolution of a population whose members compare their relative wealth to coordinate their actions in a simple tacit bargaining game. We interpret the equilibrium behaviors that players may adopt...