We propose to model individual educational investments as a rational decision, maximizing expected utility, conditional on some characteristics observed by the student, under the combined risks affecting future wages and schooling duration. Assuming that students' attitudes toward risk can be represented by a CRRA utility, we show that the risk-aversion parameter can be identified in a natural way, using the variation in school-leaving ages, conditional on certified educational levels. Estimation can be performed by means of classic Maximum Likelihood methods. The model can easily be compared with a non-structural, simplified version, which is a standard wage equation with endogenous dummy variables representing education levels, education levels being themselves determined by an Ordered Probit model. We find small but significant values of the coefficient of relative risk aversion, between 0.1 and 0.9. These results are obtained with a rich sample of 12,500 young men who left the educational system in 1992, in France.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
5694.
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Christian Belzil & Jörgen Hansen, 2004.
"Earnings Dispersion, Risk Aversion and Education,"
Working Papers
0406, Groupe d'Analyse et de Théorie Economique (GATE), Centre national de la recherche scientifique (CNRS), Université Lyon 2, Ecole Normale Supérieure.
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