In this paper we examine exclusion accomplished by a coalition of firms--frequently, a coalition of suppliers and customers--that share the benefits of exclusion. As a particular historical example, we study the Canadian sugar industry of the 1880s, which was controlled by a complex coalition of...

Recent advances in machine learning have reinforced the competitive position of leading online platforms. This Essay identifies two important sources of platform rivalry and proposes ways to maximize their competitive potential under existing antitrust law. A nascent competitor is a threatening...

The question of intellectual property for original fashion design has attracted enormous public attention in recent years. As we show in this chapter, the question has a storied past. In the 1930s, as American fashion was coming into its own as a cultural force, designers worried about...

Observers worry that generic patent challenges are on the rise and reduce the effective market life of drugs. A related concern is that challenges disproportionately target high-sales drugs, reducing market life for these “blockbusters.” To study these questions, we examine new data on...

The Hatch-Waxman Act regulates competition between brand-name and generic drugs in the United States. We examine a feature of the Act that has attracted great controversy but little systematic attention. “Paragraph IV” challenges are a mechanism for generic drug makers to challenge the...

Fashion is one of the world's most important creative industries. As the most immediate visible marker of self-presentation, fashion creates vocabularies for self-expression that relate individuals to society. Despite being the core of fashion and legally protected in Europe, fashion design...

This Article examines zero-price regulation, the major distinguishing feature of many modern network neutrality proposals. A zero-price rule prohibits a broadband Internet access provider from charging an application or content provider (collectively, content provider) to send information to...

Antitrust courts often confront “mixed” conduct that has two contrasting effects, one harmful and the other beneficial. For example, a nationwide agreement not to pay college football players harms the players while benefiting fans of amateur sports. An important tool for analyzing mixed...

Over the past decade, drug makers have settled patent litigation by making large payments to potential rivals who, in turn, abandon suits that (if successful) would increase competition. Because such "pay-for-delay" settlements postpone the possibility of competitive entry, they have attracted...