Self-selection into health professions / Alessandro Fedele (Free University of Bozen-Bolzano), Mirco Tonin (Free University of Bozen-Bolzano, Institute for the Evaluation of Public Policies- Bruno Kessler Foundation, IZA and CESIfo), Daniel Wiesen (University of Cologne, Erasmus School of Health Policy & Management (ESHPM) and Erasmus University Rotterdam) ; IZA Institute of Labor Economics