Large platforms are often accused of refusing to serve (or discriminating against) competing sellers in adjacent product markets. Antitrust law labels such activity a unilateral “refusal to deal” (RTD) and evaluates it under a predation-like framework shaped by the two leading RTD cases,...

This article adopts a holistic approach to China’s antitrust strategy towards the platform economy. As enforcers everywhere come to terms with the unique challenges posed by the market power amassed by digital gatekeepers, China’s sudden, fierce attack on its own tech giants has been as...

Where it applies, the essential facility doctrine requires a monopolist to share its quot;essential facility.quot; Since the only qualifying exclusionary practice is the refusal to share the facility itself, the doctrine comes about as close as antitrust ever does to condemning quot;no...

The importance of economics to the analysis and enforcement of competition policy and law has increased tremendously in the developed market economies in the past forty years. In younger and developing market economies, competition law itself has a history of twenty to twenty-five years at most...

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...

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...

We consider a software vendor first selling a monopoly platform and then an application running on this platform. He may face competition by an entrant in the applications market. The platform monopolist can benefit from competition for three reasons. First, his profits from the platform...

This paper investigates the implications of vertical integration with private labels in the marketplace model opposed to the classic wholesale model. Differently from classic retailers, on a marketplace firms set end-consumer prices and the intermediary collects fees. When introducing a...