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 area, we select the most relevant portions of...

Antitrust policy involves not just the regulation of anti-competitive behavior, but also an important deterrence effect. Neither scholars nor policymakers have fully researched the deterrence effects of merger policy tools, as they have been unable to empirically measure these effects. We...

Big Tech is in the news. At the center of our political and economic dialogue is the effect that Amazon, Apple, Facebook, and Google have on our lives and what, if anything, governments should do about it. In this short piece, I explain how Big Tech has come under scrutiny, the antitrust...

This comment is submitted by the Global Antitrust Institute (GAI) at Scalia Law School at George Mason University to the U.S. Federal Trade Commission regarding its hearing on Concentration and Competitiveness in the U.S. Economy as part of the Hearings on Competition and Consumer Protection in...

This paper presents an historical analysis of the antitrust laws. Its central contention is that the history of antitrust can only be understood in light of U.S. economic history and the succession of dominant economic policy regimes that punctuated that history. The antitrust laws and a subset...

Antitrust analysis of online markets is a hot topic around the world. In a number of jurisdictions, online markets already have been subject to antitrust review in merger or conduct cases. In other jurisdictions, these issues are in a nascent stage of policy. A number of lessons can be learned...

The question of whether and how partial common-ownership links between strategically interacting firms affect firm objectives and behavior has been the subject of theoretical inquiry for decades. Since then, the growth of intermediated asset management and consolidation in the asset-management...

In this comprehensive review of ex-post merger studies price effects of horizontal transactions are evaluated. By combining and further analyzing the results of 52 retrospective studies on 82 mergers or merger-like transactions it can be shown that the industry alone is no strong indication for...

In this article, we use a history of economic thought perspective to analyze the process by which the Chicago School of Antitrust emerged in the 1950s and became dominant in the US. We show the extent to which economic objectives and theoretical views shaped antitrust laws in their inception....

We study the evolution of EC merger decisions over the first 25 years of common European merger policy. Using a novel dataset at the level of the relevant antitrust markets and containing all merger cases scrutinized by the Commission over the 1990-2014 period, we evaluate how consistently...