This unique and original Dictionary presents a fully inclusive compilation of foundational concepts, models, methodologies, and applications in the field of industrial organization. It encompasses myriad facets of the topics, from its early days of conception through to modern theoretical and empirical methodologies.The Dictionary balances concise explanation with comprehensive coverage, incorporating concepts such as the structure-conduct-performance paradigm, the development of the theory of the firm, the foundational contributions of game theory and models of strategic interaction. More recent advances in organization theory and managerial economics are also included, as well as current advances in econometrics as applied to industrial organization, and applications to regulation and antitrust analysis.The Dictionary of Industrial Organization will prove an indispensable reference tool for anyone involved with industrial economics at any level, including academics, researchers, students, consultants and practitioners.