PurposeThe aim of this paper is to analyse the effects of overeducation on wages in the Italian graduate labour market.Design/methodology/approachThe relationship between overeducation and wages is analysed using a double selection approach. Two basic individuals' decisions are explicitly considered in the analysis: the decision to work and the choice of occupation. The first one could create a problem of sample selection bias, whereas the second one could generate an endogeneity bias.FindingsAlthough in line with previous studies it was found that overeducated workers earn less than their appropriately educated peers, the results suggest also that this pay gap is significantly higher when a double selectivity approach is used than when an OLS approach is employed. The main reason why OLS techniques significantly underestimate the wage penalty associated with overeducation appears to be the bias introduced by the endogeneity of overeducation.Originality/valueRecent studies have examined the impact of overeducation on earnings using a single selection framework. This paper extends previous work by analysing the relationship between overeducation and wages using a double selection approach. Additionally, little research has focused on overeducation in Italy.
This paper uses proxies for university quality derived from Performance Indicators to evaluate the impact of university quality on the early labour market outcome of a cohort of recent Italian graduates. Institutional research quality is found to have a negative effect on the probability that both male and female graduates will be overeducated. Additionally, research inputs are positively related to men's wages. In contrast, teaching quality does not appear to enhance students' economic success. Copyright 2006 The Authors; Journal compilation 2006 CEIS, Fondazione Giacomo Brodolini and Blackwell Publishing Ltd..
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