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Erscheinungsjahr: 
2003
Schriftenreihe/Nr.: 
IZA Discussion Papers No. 783
Verlag: 
Institute for the Study of Labor (IZA), Bonn
Zusammenfassung: 
About 30% of workers in the CPS have earnings imputed. Wage gap estimates are biased toward zero when the attribute being studied (e.g., union status) is not a criterion used to match donors to nonrespondents. An expression for ?match bias? is derived in which attenuation equals the sum of match error rates. In practice, attenuation can be approximated by the proportion with imputed earnings. Union wage gap estimates with match bias removed are presented for 1973-2001. Estimates in recent years are biased downward 5 percentage points. Bias in gap estimates accompanying other non-match criteria (public sector, industry, etc.) is examined.
Schlagwörter: 
wage differentials
hot deck imputation
match bias
CPS
union wage premiums
JEL: 
J5
J3
C81
Dokumentart: 
Working Paper

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