This thesis consists of two essays. In the first essay, we analyze a two-stage game, with coalition formation in the first stage and Cournot oligopoly in the second, to show how coalition formation takes place and affects the environmental level.In open membership games with symmetric players,...

Auctions are among the oldest economic institutions in place---they have been used since antiquity to sell a wide variety of goods, and their basic form has remained unchanged. In this dissertation, I explore the efficiency of common auctions when values are interdependent---the value to a...

This thesis consists of three essays on game theory.In the first essay we consider an endogenous formation of researchjoint ventures by introducing heterogeneity of the firms. When thefirms are characterized by a one dimensional parameter, we showthat there is a tendency towards similar firms...