The persistent dominance of US digital platforms relates to strategies that can be justified on efficiency grounds. However, these strategies might also offset competition and have ambiguous welfare effects. Overall, though, the economic literature does not provide a clear theoretical ground for...

The European Union has experienced relatively weak economic performance over the past fifteen years, notably compared to the U.S. In order to restore investment, innovation, and therefore growth, the European Commission seeks to raise the level of static competition in all markets. The...

Big tech platforms have become a subject of intense antitrust scrutiny in developed economies, most recently in the United States. The thesis of this article is that the power of platforms is not just a first world problem, however, but is also an issue of importance for competition policy in...

Leading jurisdictions around the world are debating whether the nature of data-driven digital markets and the smart technologies that enable these markets require a re-thinking of how antitrust law applies to digital markets. There are many aspects to consider in this discussion, relating both...

We model platform competition with endogenous data generation, collection, and sharing, thereby providing a unifying framework to evaluate data-related regulation and antitrust policies. Data are jointly produced from users' economic activities and platforms' investments in data infrastructure....

We model platform competition with endogenous data generation, collection, and sharing, thereby providing a unifying framework to evaluate data-related regulation and antitrust policies. Data are jointly produced from users' economic activities and platforms' investments in data infrastructure....

This paper evaluates how different lengths of entry regulation impact market structure and market performance using a dynamic structural model. We formulate an oligopoly model in the tradition of Ericson and Pakes (1995) and allow entry costs to vary over time. Firms have the opportunity to...

This paper investigates the effect of product market regulations on the international diffusion of productivity shocks. The empirical results indicate that restrictive product market regulations slow the process of adjustment through which best practice production techniques diffuse across...

This paper investigates the effect of product market regulations on the international diffusion of productivity shocks. The empirical results indicate that restrictive product market regulations slow the process of adjustment through which best practice production techniques diffuse across...