Affiliation: | 1. Department of Management and Information Technology, University of Salerno, Salerno, Italyfmanesrossi@unisa.it;3. Faculty of Economics, University of Coimbra, Coimbra, Portugal;4. CICP-Research Centre in Political Science, University of Minho, Minho, Portugal;5. BRU-UNIDE, Lisbon University Institute, Lisbon, Portugal;6. Department of Economics, University of Modena and Reggio Emilia, Modena, Italy |