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Misperceptions About the Magnitude and Timing of Changes in American Income Inequality

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  • Robert J. Gordon

Abstract

The rise in American inequality has been exaggerated both in magnitude and timing. Commentators lament the large gap between the growth rates of real median household income and of private sector productivity. This paper shows that a conceptually consistent measure of this growth gap over 1979 to 2007 is only one-tenth of the conventional measure. Further, the timing of the rise of inequality is often misunderstood. By some measures inequality stopped growing after 2000 and by others inequality has not grown since 1993. This cessation of inequality's secular rise in 2000 is evident from the growth of Census mean vs. median income, and in the income share of the top one percent of the income distribution. The income share of the 91st to 95th percentile has not increased since 1983, and the income ratio of the 90th to 10th percentile has barely increased since 1986. Further, despite a transient decline in labor's income share in 2000-06, by mid-2009 labor's share had returned virtually to the same value as in 1983, 1991, and 2001. Recent contributions in the inequality literature have raised questions about previous research on skill-biased technical change and the managerial power of CEOs. Directly supporting our theme of prior exaggeration of the rise of inequality is new research showing that price indexes for the poor rise more slowly than for the rich, causing most empirical measures of inequality to overstate the growth of real income of the rich vs. the poor. Further, as much as two-thirds of the post-1980 increase in the college wage premium disappears when allowance is made for the faster rise in the cost of living in cities where the college educated congregate and for the lower quality of housing in those cities. A continuing tendency for life expectancy to increase faster among the rich than among the poor reflects the joint impact of education on both economic and health outcomes, some of which are driven by the behavioral choices of the less educated.

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  • Robert J. Gordon, 2009. "Misperceptions About the Magnitude and Timing of Changes in American Income Inequality," NBER Working Papers 15351, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:15351
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    Cited by:

    1. Ariell Reshef, 2013. "Is Technological Change Biased Towards the Unskilled in Services? An Empirical Investigation," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 16(2), pages 312-331, April.
    2. Oulton, Nicholas, 2018. "GDP and the system of national accounts: past, present and future," LSE Research Online Documents on Economics 87178, London School of Economics and Political Science, LSE Library.
    3. Nicholas Oulton, 2012. "Hooray for GDP!," CentrePiece - The Magazine for Economic Performance 383, Centre for Economic Performance, LSE.
    4. Burkhauser, Richard V. & Larrimore, Jeff & Simon, Kosali I., 2012. "A "Second Opinion" on the Economic Health of the American Middle Class," National Tax Journal, National Tax Association;National Tax Journal, vol. 65(1), pages 7-32, March.
    5. Jeffrey D. Sachs & Laurence J. Kotlikoff, 2012. "Smart Machines and Long-Term Misery," NBER Working Papers 18629, National Bureau of Economic Research, Inc.
    6. Pryor, Frederic L., 2012. "The impact of income inequality on values and attitudes," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 41(5), pages 615-622.

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    More about this item

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D3 - Microeconomics - - Distribution
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • I3 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J62 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Job, Occupational and Intergenerational Mobility; Promotion
    • R10 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General

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