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 investigate the role of keystone players and consider their impact in terms of innovation rate in an industry. To do so, we build a theoretical framework that considers the innovation rate in the context of an industry with one keystone player and then with multiple keystone...

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....

Impulsée par la Commission européenne et prolongée par les Etats membres, la politique d’achats publics plus verts se traduit par l’insertion de critères environnementaux dans les marchés publics que cela soit en matière de sélection des candidats que de choix des offres. La commande...

Les questions relatives à l’action des pouvoirs publics face aux délocalisations et à la défense des champions nationaux suivies par l’apparition dans le débat public des craintes de désindustrialisation de l’économie française ont remis sur le devant de la scène la question de la...

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...

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...