The Chicago School of antitrust has benefitted from a great deal of law office history, written by admiring advocates rather than more dispassionate observers. This essay attempts a more neutral stance, looking at the ideology, political impulses, and economics that produced the Chicago School...

Are large digital platforms that deal directly with consumers “winner take all,” or natural monopoly, firms? That question is surprisingly complex and does not produce the same answer for every platform. The closer one looks at digital platforms the less they seem to be winner-take-all. As a...

Competition law in many jurisdictions defines its consumer welfare goal in terms of low consumer prices. For example, mergers are challenged when they threaten to cause a price increase from reduced competition in the post-merger market. While the consumer welfare principle is under attack in...

This book of CASES AND MATERIALS ON INNOVATION AND COMPETITION POLICY is intended for educational use. The book is free for all to use subject to an open source license agreement. It differs from IP/antitrust casebooks in that it considers numerous sources of competition policy in addition to...

When we speak about information and competition policy we are usually thinking about oral or written communications that have an anticompetitive potential, and mainly in the context of collusion of exclusionary threats. These are important topics. Indeed, among the most difficult problems that...

The 2020 Vertical Merger Guidelines produced by the antitrust enforcement agencies introduce a nontechnical application of bargaining theory into the assessment of competitive effects from vertical acquisitions. The economics of such bargaining is complex and can produce skepticism among judges,...

In July, 2021, President Biden signed a far ranging Executive Order directed to promoting competition in the American economy. This paper analyzes issues covered by the Order that are most likely to affect the scope and enforcement of antitrust law. The only passage that the Executive Order...