1. REMIT, Department of Economics and Management, Universidade Portucalense, 4200-027 Porto, Portugal
2. Instituto Superior Miguel Torga, Largo da Cruz de Celas nº 1, 3000-132 Coimbra, Portugal
3. Higher School of Education and Social Sciences, CI&DEI, Polytechnic of Leiria, Campus 1, Rua Dr. João Soares, Apartado 4045, 2411-901 Leiria, Portugal
4. Faculdade de Ciências Sociais, Universidade da Madeira, 9020-105 Funchal, Portugal
5. ISEG-UL—Lisbon School of Economics and Management, University of Lisbon, Rua do Quelhas, 6, 1200-781 Lisbon, Portugal