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. This work: 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; and, includes over 240 entries written by an international team of experts in the field.