Does It Matter Who Responded to the Survey? Trends in the U.S. Gender Earnings Gap Revisited
AbstractBlau and Kahn (JOLE, 1997; ILRR, 2006) decomposed trends in the U.S. gender earnings gap into observable and unobservable components using the PSID. They found that the unobservable part contributed significantly not only to the rapidly shrinking earnings gap in the 1980s, but also to the slowing-down of the convergence in the 1990s. In this paper, we extend their framework to consider measurement error due to the use of proxy/representative respondents. First, we document a strong trend of changing gender composition of household-representative respondents toward more females. Second, we estimate the impact of the changing gender composition on Blau and Kahn's decomposition. We find that a non-ignorable portion of changes in the gender gap could be attributed to changes in the self/proxy respondent composition. Specifically, the actual reduction in the gender gap can be smaller than what the estimates without taking into account the measurement error might suggest. We conclude that a careful validation study would be necessary to ascertain the magnitude of the spurious measurement error effects.
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Bibliographic InfoPaper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 5512.
Length: 24 pages
Date of creation: Feb 2011
Date of revision:
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Other versions of this item:
- Jungmin Lee & Sokbae Lee, 2012. "Does It Matter Who Responded to the Survey? Trends in the U.S. Gender Earnings Gap Revisited," Industrial and Labor Relations Review, ILR Review, Cornell University, ILR School, vol. 65(1), pages 148-160, January.
- Jungmin Lee & Sokbae 'Simon' Lee, 2011. "Does it matter who responded to the survey? Trends in the U.S. gender earnings gap revisited," CeMMAP working papers CWP05/11, Centre for Microdata Methods and Practice, Institute for Fiscal Studies.
- J3 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-02-26 (All new papers)
- NEP-HME-2011-02-26 (Heterodox Microeconomics)
- NEP-LAB-2011-02-26 (Labour Economics)
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Kristensen, Nicolai & Westergård-Nielsen, Niels C., 2006. "A Large-Scale Validation Study of Measurement Errors in Longitudinal Survey Data," IZA Discussion Papers 2329, Institute for the Study of Labor (IZA).
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