InterRegional Wage Differentials in Portugal: An Analysis Across the Wage Distribution
TTypically, studies on regional wage differentials are based on OLS estimates and use Blinder (1973) and Oaxaca (1973) decomposition. Quantile regression is an alternative approach which allows for studying these differences across the whole wage distribution. In this study, the quantile regression framework is considered for the analysis of regional wage differences in Portugal. Our findings reveal significant differences in wage equations coefficients between regions for the various quantiles. Furthermore, we conclude that the regional wage differentials and the components explained by differences in endowments and differences in returns increase across the whole wage distribution.
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