In beginning a discussion of transnational antitrust law, one immediately confronts multiple points on which there is no shared understanding across legal systems. First, to what body of substantive rules are we referring? “Antitrust law,” the term used primarily in the United States, is...

This is an edited version of a lecture on the use of local litigation as an instrument of global regulation. It asks whether the increasingly global aspect of business networks, and of the harms those networks can cause, demands a reexamination of the paradigm that we use to articulate the role...