Institution: | 1.CEFAGE-UE and Department of Economics, University of Évora, Colégio do Espírito Santo, Largo dos Colegiais, 2, 7000-803, Évora, Portugal ;2.NECE-UBI and Management and Economics Department, University of Beira Interior, Covilhã, Portugal ;3.NECE-UBI, CeBER and Faculty of Economics, University of Coimbra, Coimbra, Portugal ; |