1. Institute of Sociology and Social Psychology, University of Cologne, Albertus-Magnus-Platz, 50923 Koeln, Germany
2. Faculty of Sociology, University of Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany
3. German Institute for Economic Research, German Socio-Economic Panel, Anton-Wilhelm-Amo-Straße 58, 10117 Berlin, Germany