Intelligence artificielle et manipulations des comportements de marché : l’évaluation ex ante dans l’arsenal du régulateur

The development of the digital economy poses questions unprecedented in their magnitude concerning potential market manipulations and manipulations of consumer choice. Deceptive and unfair strategies in consumer law may coexist and mutually reinforce each other with infringements in the field of competition, whether it be algorithmic collusion or abuse of a dominant position. Faced with the difficulty of detecting and sanctioning these practices ex-post, questions are raised about the dissuasive effect of sanctions and their capacity to prevent possibly irreversible damage. To this end, this article considers the supervision tools available to the authorities in charge of market surveillance, to consumers, and to the stakeholders of the companies concerned.