1. University of Padua; Padova Italy
2. CESifo; Munich Germany
3. Institute for the Study of Labor (IZA); Bonn Germany
4. Research Centre for Education and the Labour Market (ROA); Maastricht The Netherlands
5. University of Bologna; Bologna Italy
6. Centre for Household, Income, Labour and Demographic Economics (CHILD); Torino Italy
7. University of Linz; Linz Austria
8. Centre for Economic Policy Research (CEPR); London UK
9. Institute for Advanced Studies (IHS); Vienna Austria