Organization for Economic Co-Operation and Development (OECD), Bank of Italy, Université Paris-Dauphine, PSL Research University, Foundation for Applied Economic Research (FEDEA), Bank of Italy, University of Copenhagen - Department of Economics, Universidad de Oviedo - Facultad de Economicas, Universidad Autónoma de Madrid, Nova School of Business and Economics, LEDa, University of Erlangen-Nuremberg-Friedrich Alexander Universität Erlangen Nürnberg and Government of the Federal Republic of Germany - Institute for Employment Research (IAB)