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...

This paper focuses on one of the most important digital platform sectors—E-commerce—addressing the antitrust enforcement, comparing it with new regulatory approaches, learning from experiences in the US, EU, China, and Japan. E-commerce is shown to have distinct characteristics, as compared...

The EU competition policy in regard to vertical restraints is mainly based upon neoclassical efficiency-oriented reasonings, leading to a neglect of the innovation dimension. This paper analyses to what extent evolutionary theories of competition and innovation economics can be used to derive...

Die 10. Novelle des Gesetzes gegen Wettbewerbsbeschränkungen ('GWB-Digitalisierungsgesetz') soll die deutschen Wettbewerbsregeln so reformieren, dass sie einen geeigneten Ordnungsrahmen für eine zunehmend digitalisierte Wirtschaft darstellen. Im vorliegenden Beitrag diskutieren wir den...

Die 10. Novelle des Gesetzes gegen Wettbewerbsbeschränkungen („GWB-Digitalisierungsgesetz“) soll die deutschen Wettbewerbsregeln so reformieren, dass sie einen geeigneten Ordnungsrahmen für eine zunehmend digitalisierte Wirtschaft darstellen. Im vorliegenden Beitrag diskutieren wir den...

Critics from both the right and the left claim that modern antitrust doctrine, rooted in consumer welfare, is inadequate to handle the challenges of the twenty-first century economy. They express nostalgia for 1960s antitrust, when the field had no clear objectives and cases were decided on...

With e-commerce having accelerated over recent years, retailing has changed significantly. Manufacturers and retailers have established multichannel (offline/online) strategies within which pricing restraints often constitute a central element. Behind these strategies sits the firms' ambition to...

Empirical work shows that competition is important for promoting economic growth. However, in Japan the promotion of competition has long been compromised by ministerial guidance and exemptions from the competition law. Thus, the level and growth of productivity have been low in many...

We provide a theory of how RPM facilitate upstream cartels absent any information asymmetries using a model with manufacturer and retailer competition. Because retailers have an effective outside option to each manufacturer's contract, the manufacturers can only ensure contract acceptance by...