MARIA JESUS DELGADO RODRIGUEZ UNIVERSIDAD REY JUAN CARLOS   FACULTAD CIENCIAS JURÍDICAS Y SOCIALES CAMPUS DE VICALVARO MADRID, MADRID 28032 SPAIN   mdelgado@fcjs.urjc.es     Biographical Sketch: DOCTOR IN ECONOMICS. UNIVERSIDAD COMPLUTENSE OF MADRID. PROFESSOR APPLIED ECONOMICS. UNIVERSIDAD REY JUAN CARLOS   Primary Research Focus: INFRASTRUCTURE, FRONTIER TECHNIQUES, STOCHASTIC PRODUCTION FUNCTION, MALMQUIST INDEX, CAPITAL IN EDUCATION   JEL Areas: C2 : Single Equation Models; Single Variables: General H5 : National Government Expenditures and Related Policies National Government Expenditures and Related Policies: General