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 …Recently there has been a notable increase in interest in antitrust law in much of the world. This chapter discusses …, merger laws and enforcement practices, econometric methods for analyzing prospective horizontal mergers, and evidence …