Recent outcry for antitrust reform argues that U.S. markets have become more concentrated, that large firms’ profit margins have increased, and that part of these changes may be attributed to lax antitrust enforcement since the 1960s. While each of these arguments is part of an intense...

In McDonald v. Johnson & Johnson,the Court of Appeals for the Eighth Circuit concluded that the plaintiffs had voluntarily withdrawn from competition in the pain control market and thus were not within the class of persons entitled to sue for treble damages. The plaintiffs, however, did not...

Having its first commercial breakthrough with ChatGPT, in 2023 artificial intelligence (AI) has rung in the fourth industrial revolution. This article outlines the technicalities and economics underlying generative AI, and what they mean for competition in digital markets and for antitrust and...

Over the past three decades, antitrust laws have proliferated across the globe. International institutions and governments have promoted antitrust policy as an important regulatory tool to enhance economic performance. At the same time, we have scant empirical evidence on whether these policies...