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Inference on an Extended Roy Model, with an Application to Schooling Decisions in France

Arnaud Maurel () and Xavier D'Haultfoeuille

No 11-10, Working Papers from Duke University, Department of Economics

Abstract: This paper considers the identification and estimation of an extension of Roy’s model (1951) of sectoral choice, which includes a non-pecuniary component in the selection equation and allows for uncertainty on potential earnings. We focus on the identification of the non-pecuniary component, which is key to disentangle the relative importance of monetary incentives versus preferences in the context of sorting across sectors. By making the most of the structure of the selection equation, we show that this component is point identified from the knowledge of the covariates effects on earnings, as soon as one covariate is continuous. Notably, and in contrast to most results on the identification of Roy models, this implies that identification can be achieved without any exclusion restriction nor large support condition on the covariates. As a byproduct, bounds are obtained on the distribution of the ex ante monetary returns. We also propose a three-stage semiparametric estimation procedure for this model, which yields root-n consistent and asymptotically normal estimators. Finally, we apply our results to the educational context, by providing new evidence from French data that non-pecuniary factors are a key determinant of higher education attendance decisions.

Keywords: Roy model; nonparametric identification; schooling choices; ex ante returns to schooling (search for similar items in EconPapers)
JEL-codes: C14 C25 J24 (search for similar items in EconPapers)
Pages: 54
Date: 2011
New Economics Papers: this item is included in nep-ecm, nep-edu and nep-lab
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Journal Article: Inference on an extended Roy model, with an application to schooling decisions in France (2013) Downloads
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