This paper presents an overview of what economists can say about vertical constraints by multi-sided platforms at this stage in the development of our knowledge about the economics of these businesses. It describes the general procompetitive and anticompetitive uses of vertical restraints by...

This study concerns the way agreements between a dominant supplier and its customers that restrict the ability of those customers to buy from the dominant firm’s rivals, including exclusive dealing, conditional rebates and tying and bundling (hereafter, “vertical restraints”) have been...

The evolution of competition law has traditionally been driven by the US and EU systems. Over the years, the EU system has emerged as a primary model of antitrust enforcement. However, in the coming years, we will likely experience a gradual shift from a bipolar scenario to a multi-polar one,...

Hybrid governance structures between markets and hierarchies in many industries, e.g., in energy and telecommunications, challenge antitrust and regulation policy. The paper focusses on the theoretical and methodological basis provided by the New Institutional Economics (NIE) for analyzing the...

Hybrid governance structures between markets and hierarchies in many industries, e.g., in energy and telecommunications, challenge antitrust and regulation policy. The paper focusses on the theoretical and methodological basis provided by the New Institutional Economics (NIE) for analyzing the...

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

In spite of the ASEAN goal of harmonising national competition policies and laws, the ASEAN Member States (AMSs) adopt an array of different approaches towards a number of procedural and substantive competition law issues, including the substantive appraisal of vertical agreements. The question...

Hub-and-spoke cartels have recently come under the spotlight of competition authorities. The Turkish Competition Authority (TCA) found five grocery retailers and a cooking oil supplier in breach of Article 4 of the Turkish competition act (the equivalent of Article 101 TFEU). In this article, we...

There is widespread support for antitrust reform, fueled mainly by concerns about major platforms like Google, Facebook, and Amazon. Many believe that these companies have become too large and that they use their power in harmful ways. In the United States, some of the most aggressive reforms...

Antitrust has been doubly disempowered: we can no longer effectively regulate corporate power and many forms of corporate power are now irrelevant to antitrust analysis. Drawing on the interconnected histories of antitrust and corporate law, this article makes the case for empowering corporate...