The Policy Research Working Paper Series disseminates the findings of work in progress to encourage the exchange of ideas about development issues. An objective of the series is to get the findings out quickly, even if the presentations are less than fully polished. The papers carry the names of the authors and should be cited accordingly. The findings, interpretations, and conclusions expressed in this paper are entirely those of the authors. They do not necessarily represent the views of the International Bank for Reconstruction and Development/World Bank and its affiliated organizations, or those of the Executive Directors of the World Bank or the governments they represent.

This study has been prepared within the UNU-WIDER project The changing nature of work and inequality.

A relação de fatores individuais, familiares e escolares com a distorção idade-série no ensino público brasileiroThe relationship between individual, family and scholar characteristics and the age-grade distorcion in Brazilian public education Alysson Lorenzon Portella Códigos JEL A21; C51; I21. AbstractThis work discusses factors related to the age-grade gap, indicating the main determinants of it for Brazilian public-school students. Using data from PNAD and INEP from the year of 2013, it is evaluated how personal, family and school characteristics are related to the occurrence of age grade-distortion on public school students. More specifically, this work applies econometric models that deal exclusively with count data, such as Poisson and Negative Binomial, as well as models adjusted for excess zeros, such as Zero-Infl ated Poisson and Zero-Infl ated Negative Binomial. Among the results, it is highlighted a substitutability between the variables related to the educational and the individual-family context, with a reduction of the individual-family coeffi cients once educational variables are considered in the estimation. Furthermore, it is found that as students grow older, the absence of any previous age-grade gap is refl ected in a smaller probability of it ever happening in the future.

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