The book presents a comprehensive overview of international cooperation between the European National Competition Authorities (NCAs). It consists of fourteen contributions, accompanied by a selection of documents. The papers assembled in the book are of a diverse nature; there are articles,...

The experimental literature on antitrust enforcement provides robust evidence that communication plays an important role for the formation and stability of cartels. We extend these studies through a design that distinguishes between innocuous communication and communication about a cartel,...

The widespread use of algorithmic technologies makes rules on tacit collusion, which are already controversial in antitrust law, more complicated. These rules have obvious limitations in effectively regulating algorithmic collusion. Although some scholars and practitioners within antitrust...

This paper was prepared as a background note for discussions on “The Optimal Design, Organisation and Powers of Competition Authorities” taking place at the December 2023 session of the OECD Competition Committee’s Working Party No. 3 on Co-operation and Enforcement.