Bernhard Ebbinghaus is Professor of Social Policy at the Department of Social Policy and Intervention and Senior Fellow at the Green Templeton College at University of Oxford, UK. Previously, he was Professor of Sociology at the University of Mannheim. His research focuses on welfare reform processes, particularly in the areas of pension and labour market policies. Elias Naumann is Post-Doctoral Researcher at the Collaborative Research Center SFB 884 "Political Economy of Reforms" at the University of Mannheim, Germany. His research interests include comparative welfare state research, public opinion and experimental methods in the social sciences.