1. Population Studies Center, University of Pennsylvania, Philadelphia, PA, USA
2. CESifo, Munich, Germany
3. UNU-MERIT, Maastricht, The Netherlands
4. Global Labor Organization (GLO), Essen, Germany
5. German Youth Institute (DJI), Munich, Germany
6. FBK-IRVAPP, Trento, Italy
7. IZA, Bonn, Germany
8. School of Business and Economics, Maastricht University, Maastricht, The Netherlands
9. CEPR, London, UK