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...

Something old and important is lost sight of in a case like Ohio v. American Express, the Supreme Court's recent adoption of "platform" or "two-sided market" theory in American antitrust, and in theoretical efforts like the one on which it is based. A rarely discussed idea built in to American...

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...

Computational antitrust promises not only to help antitrust agencies preside over increasingly complex and dynamic markets, but also to provide companies with the tools to assess and enforce compliance with antitrust laws. If research in the space has been primarily dedicated to supporting...

Tech giants are commonly referred to as ‘platforms’ in our everyday language and academic circles. Some refer to ‘the platform economy’, or the ‘platformization of the Web’. But our legal language requires more nuance as putting all these companies in the same basket has significant...

Some path-breaking work on mergers takes efficiency gains for granted, or assumes that firms have perfect knowledge when taking merger decisions. In practice, firms and competition authorities cannot know exact future efficiency gains, prior to merger consummation. This paper analyzes horizontal...

This paper analyses the profitability of horizontal mergers in a Stackelberg model and their impact on welfare when there is uncertainty about the marginal costs of the newly merged firms. The authors consider that the merging firms decide their production strategy knowing the actual value of...

In this study, merger enforcement at the Federal Trade Commission is shown to be affected by structural variables (the Herfindahl, the change in the Herfindahl, and the number of significant rivals), an entry index, and three evidence variables (hot documents, validated customer complaints, and...

In its December 1998 issue, the Federal Communications Law Journal published a law review article surveying the Federal Communication Commission's (FCC or Commission) international policy initiatives between 1985 and 1998. As that article explained, one of the centerpieces of the FCC's...

This paper investigates the design of a leniency policy to fight corporate crime. The manager may breach the law and report evidence to the authority. The shareholder writes the manager's incentive scheme and possibly reports evidence to the authority. The authority designs a leniency policy to...