1. INCHER, University of Kassel, Kassel, Germany
2. Department of Sociology, Especially Sociological Theory, University of Bamberg, Bamberg, Germany
3. Department of Social Theory and Comparative Macrosociology, Zeppelin University, Friedrichshafen, Germany
4. Bavarian State Office for Statistics, Fürth, Germany
5. Institute for Employment Research, Nuremberg, Germany
6. University of Mannheim, Mannheim, Germany