"This paper analyses the relationship between schooling expansion and educational inequality in a panel of developed countries over different birth cohorts. Compared to previous literature, we expand the comprehension of this relationship by exploiting the longitudinal dimension of our data and by focusing on different measures of inequality. We find evidence of a non-linear relationship between expansion and inequality of education and we argue that this evidence is complementary and not necessarily in contrast with the educational Kuznets curve found by previous studies. We also discuss how educational policies may influence educational inequality and we find that the length of compulsory education affects inequality only through its effect on average education, while school tracking shapes inequality independently of the level of education."

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