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The contribution of the minimum wage to U.S. wage inequality over three decades: A Reassessment

Autor, David, Manning, Alan ORCID: 0000-0002-7884-3580 and Smith, Christopher L. (2010) The contribution of the minimum wage to U.S. wage inequality over three decades: A Reassessment. CEP Discussion Papers (CEPDP1025). London School of Economics and Political Science. Centre for Economic Performance, London, UK.

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Abstract

We reassess the effect of state and federal minimum wages on U.S. earnings inequality, attending to two issues that appear to bias earlier work: violation of the assumed independence of state wage levels and state wage dispersion, and errors-in-variables that inflate impact estimates via an analogue of the well known division bias problem. We find that the minimum wage reduces inequality in the lower tail of the wage distribution (the 50/10 wage ratio), but the impacts are typically less than half as large as those reported in the literature and are almost negligible for males. Nevertheless, the estimated effects extend to wage percentiles where the minimum is nominally non-binding, implying spillovers. We structurally estimate these spillovers and show that their relative importance grows as the nominal minimum wage becomes less binding. Subsequent analysis underscores, however, that spillovers and measurement error (absent spillovers) have similar implications for the effect of the minimum on the shape of the lower tail of the measured wage distribution. With available precision, we cannot reject the hypothesis that estimated spillovers to non-binding percentiles are due to reporting artifacts. Accepting this null, the implied effect of the minimum wage on the actual wage distribution is smaller than the effect of the minimum wage on the measured wage distribution.

Item Type: Monograph (Discussion Paper)
Official URL: https://cep.lse.ac.uk/_new/publications/discussion...
Additional Information: © 2010 The Author(s)
Divisions: Economics
Subjects: H Social Sciences > HC Economic History and Conditions
H Social Sciences > HD Industries. Land use. Labor
JEL classification: E - Macroeconomics and Monetary Economics > E2 - Consumption, Saving, Production, Employment, and Investment > E24 - Macroeconomics: Employment; Unemployment; Wages; Intergenerational Income Distribution (includes wage indexation)
J - Labor and Demographic Economics > J3 - Wages, Compensation, and Labor Costs
J - Labor and Demographic Economics > J3 - Wages, Compensation, and Labor Costs > J31 - Wage Level and Structure; Wage Differentials by Skill, Training, Occupation, etc.
Date Deposited: 29 Feb 2024 14:48
Last Modified: 01 Oct 2024 03:20
URI: http://eprints.lse.ac.uk/id/eprint/121701

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