Gianfranco Baldini is Associate Professor of Political Science at the University of Bologna, Italy, and Research Associate at the Centre for Britain and Europe, University of Surrey, UK.Edoardo Bressanelli is Associate Professor of Political Science at the Sant’Anna School of Advanced Studies in Pisa, Italy, and Senior Visiting Research Fellow at King’s College London, UK.Emanuele Massetti is Associate Professor of Political Science at the University of Trento, Italy, and Associated Fellow at the Centre on Constitutional Change, University of Edinburgh, UK.