The European Commission has proposed a new regulatory tool for the governance of digital markets. The Digital Markets Act (DMA) intents to limit the market behavior of so-called gatekeeper companies to ensure contestable and fair digital markets. We review the provisions of the DMA both from a...

The European Commission has proposed a new regulatory tool for the governance of digital markets. The Digital Markets Act (DMA) intents to limit the market behavior of socalled gatekeeper companies to ensure contestable and fair digital markets. We review the provisions of the DMA both from a...

The antitrust duty to deal is perhaps the most confounding and controversial form of antitrust intervention. It is sought by plaintiffs in situations where a monopolist controls a critical input (or “essential facility”) and unilaterally refuses to sell access to rivals. Courts have...

Severe limitations on antitrust enforcement officials' knowledge and the potential impact of ill-advised investigations and prosecutions on markets suggest that officials should exercise extraordinary caution in enforcement of restraints on single-firm conduct. Although it is common to depict...

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...

Remedies often get overlooked in discussions of antitrust litigation, treated almost as an afterthought. When remedies have been part of the antitrust debate the focus has often been on an after-the-fact assessment of their effectiveness, or on the general question whether there should be a...

Severe limitations on antitrust enforcement officials’ knowledge and the potential impact of ill-advised investigations and prosecutions on markets suggest that officials should exercise extraordinary caution in enforcement of restraints on single-firm conduct. Although it is common to depict...

Antitrust enforcement efforts both in Europe and the United States have recently increased in number of actions taken and the amount of fines imposed in high-tech industries. Recent decisions in this field have rekindled in-depth and largely unresolved debates concerning the appropriate role of...

Policymakers across the political spectrum are debating the virtue of the application of antitrust law to the technology sector. Some are proposing radical reshaping of federal antitrust law that would expand federal control over the economy. Others appear to want to use antitrust as a way to...