European merger control is among the most important and complex aspects of competition law. The rapid pace of development in this area presents a further challenge: legislation and guidance documents are frequently issued and updated, and the formidable body of Court and Commission case-law continues to grow at a daunting rate. This book provides a comprehensive treatment of EC merger control law and procedure. It adopts an integrated approach that embraces both the law and economics of merger control, supplemented throughout with practical insights drawn from the authors' own experience. The book blends practical and academic perspectives and addresses new and unsolved questions of EC merger control law. Highlights: Specific and detailed treatment of EC merger control Comprehensive and up-to-date overview of recent case-law and Commission guidance Detailed analysis of economic issues posed by the ECMR (e.g., market definition and SIEC test)