We show why considering a number of education-dependent covariates in the wage equation decreases coefficient of education in the wage equation. We use a meta-analysis of results for Portugal to show, empirically, that this is the case. The coefficient decreases when we use covariates that can...

Expected earnings and expected returns to education are seen by labor economists as a major determinant of educational attainment. In spite of this, the empirical knowledge about expectations and their formation is scarce. In this paper we report the results of the first systematic study of the...