This book consists of a set of nineteen original essays on importantrecent antitrust cases. Each essay discusses a single case and was written byeconomists who actually participated in the case. The cases are organized intothree major sections: horizontal structure; horizontal practices; and verticaland complementary market issues. Each section has an introductory/overview essaywritten by the editors. In this third edition, eleven new cases have been added,and eight cases from the second edition have been updated and shortened.