On the sensitivity of returns to seniority to the measurement of earnings

Arnaud Lefranc

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Abstract: This paper examines the incidence of measurement error in wage data on the estimation of returns to seniority. Earnings surveys collect wage data through questions pertaining to earnings and hours over a given period of time (year, week) or through direct reports of hourly wages. Comparing results for different wage variables from the panel study of income dynamics (PSID), it is shown that estimated returns to seniority are very sensitive to the type of wage data used. Estimates based on yearly reports are typically twice as large as those using direct reports. Two sources account for this discrepancy. First, the inclusion of earnings from secondary jobs and overtime in the PSID annual earnings data tends to overestimate returns to seniority. Second, hourly wages computed from yearly measures include important measurement errors that tend to bias coef®cients upward.

Keywords: Measurement error; Error analysis; Secondary jobs; Overtime; Wages; Seniority; Income; Earnings (search for similar items in EconPapers)
Date: 2003-11
Note: View the original document on HAL open archive server: https://hal.science/hal-01651776
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Published in International Journal of Manpower, 2003, 24 (7), pp.789 - 811. ⟨10.1108/01437720310502131⟩

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Journal Article: On the sensitivity of returns to seniority to the measurement of earnings (2003)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01651776

DOI: 10.1108/01437720310502131

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