THOMAS GSCHWEND is Professor of Quantitative Methods in the Social Sciences, Department of Political Science, Germany. His work has been published, inter alia, in Political Analysis, British Journal of Political Science, Electoral Studies and the European Journal of Political Research.
FRANK SCHIMMELFENNIG is Professor of European Politics at ETH Zurich, Centre for Comparative and International Studies, Switzerland. His work on European integration has been published, inter alia, in Comparative Political Studies, European Union Politics, International Organization, Journal of Common Market Studies, and Journal of European Public Policy.