Conceived as a theory of competitive harm, self-preferencing has been at the core of recent European landmark cases (e.g., Google Android, Google Shopping). In the context of EU competition law, beyond the anti-competitive leveraging effect, self-preferencing may lead to vertical and horizontal...

The applicability of the notion of killer acquisition to digital platforms has long been debated.The case of the proceedings brought by the U.S. Department of Justice against Visa in November2020 (before their joint dismissal in January 2021) is even more interesting insofar as it makes...

The policy initiatives announced on both sides of the Atlantic to complement competition rules focus on two key dimensions: the contestability of markets on the one hand and fairness in their functioning on the other. The underlying idea is that the market positions of Big Tech would be...

French Abstract: Si le recours à l’intelligence artificielle pour les algorithmes de prix, de recherche ou encore d’appariement génère des gains d’efficience dont bénéficient en premier lieu les consommateurs, les firmes doivent être conscientes que ces algorithmes peuvent générer...

During the 1920s, two proposals for regulated competition competed in the United States. The first, inspired by trade associations, was advocated by Herbert Hoover. This approach echoes a managerialist view of coordinated competition under state support. The second - promoted by Justice Louis...

This article demonstrates the inner relationship between gatekeepers and their complementors and the impact of information sharing on the overall market competition intensity and the economic surplus allocation. Several competition law-based cases are grounded on the incompleteness and...

The digital economy's development poses questions unprecedented in their magnitude in potential market manipulations and manipulations of consumer choices. Deceptive and unfair strategies in consumer law may coexist and mutually reinforce each other with infringements in the field of...

The applicability of the notion of killer acquisition to digital platforms has long been debated. The case of the proceedings brought by the U.S. DoJ against Visa is even more interesting insofar as it makes it possible to illustrate and discuss its different facets ranging from the notion of...

In this article, we use a history of economic thought perspective to analyze the process by which the Chicago School of Antitrust emerged in the 1950s and became dominant in the US. We show the extent to which economic objectives and theoretical views shaped antitrust laws in their inception....

The experience of the war economy during the First World War in the United States reinforced the influence of arguments in favour of managed competition. By extending the principles of scientific management to the economy as a whole, this approach aimed to coordinate firms through the exchange...