We study the 1956 consent decree against the Bell System to investigate whether patents held by a dominant firm are harmful for innovation and if so, whether compulsory licensing can provide an effective remedy. The consent decree settled an antitrust lawsuit that charged Bell with having...

Eine Reihe von Autoren - vor allem im deutschsprachigen - Raum begründet die Notwendigkeit regulatorischer Eingriffe in Profisportmärkte damit, dass der Wettbewerb auf diesen Märkten systematisch versage. Als wesentliche Ursache für Wettbewerbsprobleme innerhalb dieser Ligen oder...

The paper applies economic theories to give an overview of the emerging phenomenon of digital personal assistants (DPAs). A DPA is an intelligent automated system that interacts with the user through a dialogue in natural language, and meanwhile applying third-party services to obtain...

This article conducts a detailed analysis of the concept of economic dependence and exploitative abuse based on how their treatment in competition law and economics and their enforcement in European case law have evolved. Although the theoretical roots of these concepts lie in economic theory,...

Suchmaschinen ermöglichen Nutzern einen schnellen Zugang zu Informationen, die sie konkret suchen oder dort erst entdecken. Sie haben sich zu wichtigen Informationsintermediären entwickelt. In der breit geführten Debatte über eine mögliche Regulierung von Suchmaschinen sprechen sich die...

Reforms of financial regulation after the crisis of 2007-2009 raise the question of what is the relation between financial regulators and competition authorities. Should competition authorities play a role in financial regulation? Should they co-operate with financial regulators? Or should they...

We study the evolution of the EC's merger decision procedure over the first 25 years of European competition policy. Using a novel dataset constructed at the level of the relevant markets and containing all merger cases over the 1990-2014 period, we evaluate how consistently arguments related to...

I study the predictability of the EC's merger decision procedure before and after the 2004 merger policy reform based on a dataset covering all affected markets of mergers with an official decision documented by DG Comp between 1990 and 2014. Using the highly flexible, non-parametric random...

Die sogenannte Ministererlaubnis als Teil der deutschen Fusionskontrolle repräsentiert wahrscheinlich das umstrittenste Instrument sowohl in der juristischen als auch in der ökonomischen Fachdiskussion. Vereinfachend ausgedrückt ermöglicht die Ministererlaubnis dem Bundeswirtschaftsminister,...

The markets for audiovisual content are subject to dynamic change. Where once "traditional" (free-to-air, cable, satellite) television was dominating, i.e. linear audiovisual media services, markets display nowadays strong growth of different types of video-on-demand (VoD), i.e. nonlinear...