1. Department of Economic Policy Università Cattolica del Sacro Cuore Milano Italy
2. BRICK, Collegio Carlo Alberto Torino Italy
3. ICRIOS, Bocconi University Milano Italy
4. Institute of Economics, Scuola Superiore Sant'Anna Pisa Italy
5. Maastricht Economic and Social Research Institute on Innovation and Technology, UNU‐MERIT, Boschstraat Maastricht The Netherlands
6. Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA) Bonn Germany