Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/162991
Authors: 
Castagnetti, Carolina
Rosti, Luisa
Töpfer, Marina
Year of Publication: 
2017
Series/Report no.: 
Hohenheim Discussion Papers in Business, Economics and Social Sciences 14-2017
Abstract: 
So far, little work has been done on directly estimating differences of wage gaps. Stud- ies estimating pay differentials, generally compare them across different subsamples. This comparison does not allow to conduct any inference or, in the case of decompositions, to confront the respective decomposition components across subsamples. We propose an exten- sion of an Oaxaca-Blinder type decomposition based on the omitted variable bias formula to directly estimate the change in pay gaps across subsamples. The method proposed can be made robust to the index-number problem of the standard Oaxaca-Blinder decomposition and to the indeterminacy problem of the intercept-shift approach. Using Italian micro data, we estimate the difference in the gender pay gap across time (2005 and 2014). By applying our proposed decomposition, we find that the convergence of the gender pay gap over time is only driven by the catching-up of women in terms of observable characteristics, while the impact of anti-discrimination legislation is found to be negligible.
Subjects: 
Pay Gap
Omitted Varibale Bias Formula
Oaxaca-Blinder Decomposition
JEL: 
J7
J13
J31
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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