1. Department of Economics, University of Messina, Messina, Italy
2. CES-ifo – Center for Economic Studies
3. CiMET, Italy’s National University Centre for Applied Economic Studies, Munich, Germany
4. Department of Architecture and Urban Studies, Politecnico di Milano, Milan, Italy
5. Department of Social Sciences, University of Napoli Federico II, Naples, Italy
6. Department of Political Sciences, University of Napoli Federico II, Naples, Italy