This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition … policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each … central features of antitrust policy. Our objective is to foster the improvement of legal regimes and also to identify topics …

antitrust policy toward horizontal mergers, the area of antitrust that has seen some of the most dramatic improvements in both …, merger laws and enforcement practices, econometric methods for analyzing prospective horizontal mergers, and evidence …Recently there has been a notable increase in interest in antitrust law in much of the world. This chapter discusses …