This study addresses some modeling questions related to the possibility of structural change in models with non-stationary variables. Focusing on cointegration issues, some methodological aspects ere discussed, attempting to integrate coherently the several steps of the modelling strategy. These...

We analyze the effects of several class compositional dimensions on individual student achievement. We make use of a rich dataset that allows tackling major endogeneity concerns stemming from non-random allocation of students between and within schools. We find that increasing the percentage of...

We provide the most comprehensive description of student segregation in the Portuguese public school system to date, a system that exhibits interesting institutional features potentially linked with the student segregation issue (e.g. school catchment areas, course tracking, and almost no...