1. Department of Economics, University of Applied Sciences and Arts Coburg, Coburg, Germany
2. Halle Institute for Economic Research – Member of the Leibniz Association (IWH), Halle, Germany.
3. Department of Labour Market Processes and Institutions, Institute for Employment Research (IAB), Nuremberg, Germany.
4. Centre for Evidence-based Policy Consulting (IWH-CEP), Halle Institute for Economic Research – Member of the Leibniz Association (IWH), Halle, Germany.