Roberto Bande GAME-IDEGA, University of Santiago de Compostela   Departamento de Fundamentos da Analise Economica Facultad de Ciencias Economicas Avenida do Burgo s/n Santiago de Compostela, A Coruna 15782 Spain   roberto.bande@usc.es             JEL Areas: J3 : Wages, Compensation, and Labor Costs: General J : Labor and Demographic Economics