Industrial Organization has been transformed in recent years by the introduction of the advanced tools of microeconomic theory. The broad brush approach of corporate strategy and management buzzwords are no longer sufficient for the modern firm to operate successfully. All decisions need to be grounded in solid facts and the ways companies act and interact can now be analyzed using highly sophisticated mathematical techniques. This book is the most up to date text in the field for advanced undergraduate and graduate courses and provides a comprehensive and consistent discussion of all the standard models and results from industrial organization, with rigorous explanations of the underlying mathematical concepts and methods. Key topics include: - Cournot and Bertrand oligopoly - Price Leadership and Product Differentiation - Multiple Stage and Repeated Games - Competition Policy, Mergers and Regulation The book is illustrated throughout with real world case studies and includes a range of mathematical appendices. It is the perfect toolkit for the modern industrial economist.