1. Department of Economics University of Genova Genova Italy
2. Institute of Labor Economics IZA Bonn Germany
3. Istituto Nazionale per l Analisi delle Politiche Pubbliche INAPP Rome Italy
4. Global Labor Organization GLO Essen Germany
5. John Cabot University Rome Italy
6. Department of Economics and Business University of Cagliari Cagliari Italy
7. CRENoS Cagliari Italy