[1] Univ Santiago de Compostela, Dept Finance & Accounting, Avda Burgo Nac, Santiago De Compostela 15704, Spain
[2] Polytech Inst Cavado & Ave, Appl Management Res Unit UNIAG, Sch Management, P-4750180 Barcelos, Portugal
[3] Polytech Inst Tomar, Sch Management, Dept Business Sci, Estr Serra, P-2300313 Tomar, Portugal