Igualdade de Oportunidades- Analisando o papel das circunstâncias no desempenho do ENEM

This study examines how social circumstances influence the educational performance of students who provide the National Secondary Education Examination (ENEM). Initially, we adopt an approach nonparametric taking Roemer Identification Axiom assuming independence between circumstance and effort. Then relaxes this hypothesis seeking to measure the bias of omission of individual effort and talent. The first set of results show the strong difference between the types effort to obtain a good performance. The second approach suggests that the indirect effect of mother's education, is one of the most important factors for the success of the son. Keywords- Inequality