1. School of Business & Economics, Freie Universität Berlin, Berlin, Germany
2. Centre for Behavioural Economics, Society & Technology (BEST), School of Economics and Finance, Queensland University of Technology, Brisbane, Australia
3. Institute of Political Science and Sociology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
4. Centre for Research in Economics, Management and the Arts (CREMA), Zurich, Switzerland