The article analyzes institutional and procedural aspects of the cooperation between federal and state antitrust enforcement in a comparative perspective. There are two goals: to offer a global overview of the topic in order to better navigate multi-jurisdictional antitrust investigations, and...

Market definition is a core concept of competition law in the European Union, the United States and Brazil. The present contribution first surveys the general approach to market delineation in these three jurisdictions. Against this background, it then embarks on a discussion of market...