ERIK JONES is Professor of European Studies, SAIS Bologna Centre, The Johns Hopkins University, Italy.   PAUL M. HEYWOOD is Dean of the Faculty of Social Sciences and Sir Francis Hill Professor of European Politics, University of Nottingham, UK. MARTIN RHODES is Professor of Comparative Political Economy, University of Denver, Colorado, USA. He was previously Professor of Public Policy at the European University Institute, Florence, Italy. ULRICH SEDELMEIER is Senior Lecturer in International Relations at the London School of Economics and Political Science, UK. He was previously Associate Professor of International Relations and European Studies, Central European University, Hungary, and Marie Curie Fellow, European University Institute, Italy.