Affiliation: | 1.Department of Quantitative Economics, Faculty of Economics and Business Administration, University of Santiago de Compostela, Avda. do Burgo das Nacións s/n, 15782, Santiago, Spain ;2.Department of Applied Economics, Faculty of Economics and Business Administration, University of Santiago de Compostela, Avda. do Burgo das Nacións s/n, 15782, Santiago, Spain ; |