El capital humano, la escolarizacion y los salarios en Espana: Evidencia empirica para 1990

The aim of this essay is based on the analysis of the earnings profiles in Spain. Whit this objective it has been used the family budget Survey from Spain for the year 1990 (EPF/90). The theory of human capital will be the start point for the modelling of earnings profiles. These earnings profiles has been adjusted according to different scholling levels, using for it the Mincer's earnings function of human capital, which explains the earnings of every worker as a quadratic function of years of experience. The estimation of earnings profiles for different schooling levels will be carried out by parametric methods of estimation. Jointly with years of experience, I consider some additional factors related with the Spanish labour market, this consideration allows to me to test the relevance of this factors in the earnings equation. Finally, I introduce the spline regression as a flexible method for to adjust the earnings profiles.