Since Oliver Williamson published Markets and Hierarchies in 1975 transaction cost economics (TCE) has claimed an important place in antitrust, avoiding the extreme positions of the two once reigning schools of antitrust policy. At one extreme was the “structural” school, which saw market...

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,...

The Supreme Court’s Leegin decision has now brought the rule of reason to all purely vertical intrabrand distribution restraints. But the rule of reason does not mean per se legality and occasions for anticompetitive vertically imposed restraints may still arise. Of all those that have been...

The Chicago School has produced many significant contributions to the antitrust literature of the last half century. Thanks in part to Chicago School efforts today we have an antitrust policy that is more rigorously economic, less concerned with protecting noneconomic values that are impossible...

Where it applies, the essential facility doctrine requires a monopolist to share its quot;essential facility.quot; Since the only qualifying exclusionary practice is the refusal to share the facility itself, the doctrine comes about as close as antitrust ever does to condemning quot;no...

Antitrust litigation often requires courts to consider challenges to vertical “control.” How does a firm injure competition by limiting the behavior of vertically related firms? Competitive injury includes harm to consumers, labor, or other suppliers from reduced output and higher...