Herwig C.H. Hofmann is Professor of European and Transnational Public Law in the Faculty of Law, Economics, and Finance at the University of Luxembourg. His teaching and research focuses on European constitutional, administrative, and regulatory law, as well as international trade and comparative public law. He was previously a member of the faculty of the School of Law, Trinity College, Dublin. Gerard C. Rowe is Professor of Public, Administrative, Environmental, and Local Government Law, Comparative Law, and Economic Analysis of Law at the Europa- Universität Viadrina Frankfurt (Oder) (Germany). There he directs the LLM Programmein Human Rights and Humanitarian Law. He is also professeur associe' and Chair of the Academic Advisory Council at the University of Luxembourg. His research interests are in economic analysis of law, European administrative law, environmental law, and comparative law. He was previously professor at the Faculty of Law, University of New South Wales, Sydney. Alexander H. Türk is Professor of Law at King's College London. He is Director of the LLM Programme of the School of Law. He is also adjunct Professor of Georgetown University, Washington DC, and General Director of LexisNexis EU Tracker. His research interests cover European constitutional and administrative law, as well as comparative constitutional and administrative law. He was previously lecturer at the European Institute of Public Administration in Maastricht, Netherlands.