Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/336610 
Year of Publication: 
2026
Series/Report no.: 
Discussion Paper No. 560
Publisher: 
Ludwig-Maximilians-Universität München und Humboldt-Universität zu Berlin, Collaborative Research Center Transregio 190 - Rationality and Competition, München und Berlin
Abstract: 
We propose a new approach to estimate selection-corrected quantiles of the gender wage gap. Our method employs instrumental variables that explain variation in the latent variable but, conditional on the latent process, do not directly affect selection. We provide semiparametric identification of the quantile parameters without imposing parametric restrictions on the selection probability, derive the asymptotic distribution of the proposed estimator based on constrained selection probability weighting, and demonstrate how the approach applies to the Roy model of labor supply. Using German administrative data, we analyze the distribution of the gender gap in full-time earnings. We find pronounced positive selection among women at the lower end, especially those with less education, which widens the gender gap in this segment, and strong positive selection among highly educated men at the top, which narrows the gender wage gap at upper quantiles.
Subjects: 
Quantile regression
sample selection
Roy model
rank invariance
semi-parametric inference
gender wage gap
wage inequality
JEL: 
C14
C31
C36
J16
J21
J31
Document Type: 
Working Paper

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