This new edition of The Blackwell Encyclopedia of Management: Managerial Economics, has been expanded to include new entries alongside the standard terms and concepts in managerial economics. Features new entries on the internet, (lock-in, network externalities); Explores the European Union and its implications for competition policy and merger policy; Analyses the Microsoft antitrust case, and market microstructure; Provides a reliable, comprehensive and valuable resource for business practitioners, students, and researchers; Includes over 240 entries written by an international team of experts in the field.