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 …

use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over 2,000 mergers … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …

use a novel database that identifies over 20,000 product/geographic antitrust markets affected by over2,000 mergers … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post-merger … dimension analyzed. Strict past merger enforcement negatively correlates with concentration. Yet, this effect is stronger in the …

breakdowns with the three years afterwards. Second, for the subset of horizontal mergers, merger activity is found to increase … competition authorities, law practices and economic consultancies may become necessary to handle the increase in merger cases. …We investigate the impact of cartel breakdowns on merger activity. Merging information on cartel cases decided by the …