Marc Ivaldi is professor of Economics at the Toulouse School of Economics (TSE) and at the Ecole des Hautes Etudes en Sciences Sociales (EHESS), Research Fellow at the Institut D’Economie Industrielle (IDEI), Industrial Organization Programme Director at the Centre for Economic Policy Research (CEPR), member of the Economic Advisory Group on Competition Policy at the Directorate General for Competition (European Commission), and Chair of the Standing Committee on Research at the European Economic Association.