The internet giants - Facebook, Amazon, Netflix and Google, among others - have transformed society with both positive and negative effects. The negative effects have been stark. There have been huge disruptions caused by e-commerce. More recently, subtler, but even more serious negative effects...

There is vigorous debate over the ability of the current antitrust enforcement regime in the United States to protect against potential reductions in competition caused by large technology companies. Some commentators have argued that current antitrust rules and processes cannot address...

Platforms often use fee discrimination within their marketplace (e.g., Amazon, eBay, and Uber specify a variety of merchant fees). To better understand the impact of marketplace fee discrimination, we develop a model that allows us to determine equilibrium fee and category decisions that depend...

The article addresses the role market definition can play for EU competition practice in the platform economy. The focus is on intermediaries that bring together two (or more) groups of users whose decisions are interdependent and which therefore are commonly referred to as “two-sided...

My essay, in a time of (political) economic crisis, re-examines the fate of the constitutive oxymoron that is political economy from Montchrétien through neoliberalism. Its hero is Adam Smith, who at the end of Book I of Wealth of Nations warns of the destructive consequences of...

This working paper inaugurates the "Technology Fundamentals for Digital Finance" series, concentrating on the technical aspects of financial Digital Assets. The series aims to facilitate the use of a clear terminology in a nascent platform-oriented paradigm of financial infrastructures, by...

This article is adapted for the Journal of Internet Law from a more in-depth article that the author has published: Resale Price Maintenance: The Internet Phenomenon and Free Rider Issues, 55 Antitrust Bulletin 473 (2010). It examines the characteristics of the Internet, online retailing, and...