The Supreme Court’s 2018 American Express (“Amex”) decision was its first involving two-sided platforms since the emergence of platform economics. As the Internet continues to facilitate the growth of two-sided…

 Natascha Gerlach, Director of Privacy Policy · Centre for Information Policy Leadership Brussels, November 2023

By Tanaya Sethi1 & Raagini Agarwal2   The Open Network for Digital Commerce (“ONDC”) was launched in India in 2022. A network which started with pilot projects in a few…

We consider how textbook economic techniques should be applied in online advertising markets. We argue that the necessary conditions for revealed preference theory fail for most advertisers, due to incentive…

It is widely assumed that platform technology markets are inherently prone to monopoly outcomes in which a single firm or a handful of firms enjoy market power due to network…

While advances in economic theory, econometrics and data availability have helped antitrust authorities to fine-tune their approach to market definition in traditional brick and mortar markets, new economic insights have…

In April 2020, the European Commission launched the review of the Market Definition Notice (MDN), which had remained unaltered since its adoption in 1997. Among the novelties in the revised…

The recent AMEX decision has introduced the economics of “multisided platforms,” “transaction platforms,” “indirect network effects,” and “two-sided analysis” into antitrust analysis. As is often the case, sometimes such descriptive…

In competition law, how to define markets in the context of two-sided platforms is a hot topic. Drawing on the judgment of the UK Competition Appeal Tribunal in BGL/Comparethemarket v.…

The Bundeskartellamt has designated Alphabet, Meta, and Amazon as 19a firms. Thus, they are potentially subject to specific competition law interventions under a special procedure. In these three designation decisions,…

While the term “platform” is ubiquitous in everyday language, its precise definition in the context of topics related to competition, policy and antitrust still remains ambiguous. This arguably for technical…

Dear Readers, In this August edition of the TechREG® Chronicle, we host a selection of articles from our esteemed Editorial Advisory Board. This set of contributions opens with a TechREG®…