The number of years spent in the educational system depends on the expected returns to education. We show that neglecting the role of expectations, usual statistical measures of inequalities in educational opportunities strongly overestimate social determinism within the

This paper evaluates the impact of continuous training provided by firms on wages and inter-firm mobility. For that purpose, we use the survey "Formation et Qualification Professionnelle" (FQP) collected by Insee (Paris) in 1993. This survey registers the identities of firms employing the...