1. Department of Economics, University of Bergamo, Italy
2. Sant’Anna School of Advanced Studies, Pisa, Italy
3. Department of Legal Studies, Alma Mater University of Bologna , Italy
4. IRCrES-CNR, Milan, Italy
5. Department of Business and Management, Luiss University of Rome, Italy
6. Social Sciences Area, Gran Sasso Science Institute (GSSI) of L’Aquila, Italy