There is a growing concern that minority shareholding (MS) in rival firms may facilitate collusion. To examine this concern, we exploit the fact that leniency programs (LPs) are generally recognized as a shock that destabilizes collusive agreements and study the effect that the introduction of...

This paper clarifies the relation between per se hub-and-spoke and vertical rule of reason antitrust analysis, the tension between which is illustrated with a detailed examination of the Apple e-books case

The Third Circuit's decision in Lepage's v. 3M created a great deal of uncertainty about the legality of so-called bundled discounts - i.e., discounts (or rebates) conditioned upon purchasing multiple products from disparate product markets. This paper, prepared for a joint Department of...

In this Article we focus upon an area in which greater convergence of U.S. policy with the practice of many foreign countries is long overdue: the treatment of public policies that suppress competition. Whereas the European Union (“EU”) and numerous other jurisdictions have taken strong...

Algorithmic competition has arrived. With it has come the specter of algorithmic collusion – rapid detection of co-conspirators’ defection via technologically enhanced price monitoring and setting capability can encourage anticompetitive collusion. Strikingly, the ability to track...

Antitrust and competition law is subject to increasing polarization, especially regarding Internet giants. Some scholars argue that the tech giants abuse their dominant positions, while others point to the increase they contribute to consumer welfare. These two camps seem irreconcilable, mainly...

We study empirically the price effects of upstream cartels that sell through downstream retailers to final consumers. We focus on a German coffee producer cartel that colluded under two different regimes: (i) involving wholesale prices in 2003 and (ii) with additional resale price maintenance...