This book presents the theory of Industrial Organization in a unified and concise way. It presents the main models and results in the area, using game theory as a unifying theoretical background. Besides corrections and new sections, the new edition contains a new chapter on games of incomplete...

This book provides a complete and up-to-date treatment of the Theories of Imperfectly Competitive Markets. In its five chapters, the book deals with Nash equilibrium in aggregative games, comparative statics in aggregative games, welfare and Cournot competition, monopolistic competition and two...

This paper adds two elements to a standard model of monopolistic competition: First, the number of potential entrants is limited in each period and increases only over time. Second, the potential entrants differ with respect to the consumers' valuation of the variant they could offer. It is...