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A Note on the Estimation of Intergenerational Income Correlations by the Method of Averaging

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  • Ramses H. Abul Naga

Abstract

Averaging methods are routinely used in order to limit biases resulting from the mismeasurement of permanent incomes. The Solon/Zimmerman estimator regresses a single-year measurement of the child's resources on a T-period average of the parents' income while the Behrman/Taubman estimator regresses an S-period average of the child's resources on a T-period average of the parents' income. The latter estimator is shown to be the arithmetic mean of the S slope estimates arising from the Solon/Zimmerman methodology. However, because sampling variation produces yearly changes in the variance of children's incomes, it is shown that the Behrman/Taubman estimator is not efficient in the class of estimators which can be expressed as a weighted sum of the S distinct Solon/Zimmerman estimates. The minimum variance estimator in the above class is thus derived and applied to a US sample.

Suggested Citation

  • Ramses H. Abul Naga, 2001. "A Note on the Estimation of Intergenerational Income Correlations by the Method of Averaging," STICERD - Distributional Analysis Research Programme Papers 54, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
  • Handle: RePEc:cep:stidar:54
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    References listed on IDEAS

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    1. Behrman, Jere R & Taubman, Paul, 1990. "The Intergenerational Correlation between Children's Adult Earnings and Their Parents' Income: Result from the Michigan Panel Survey of Income Dynamics," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 36(2), pages 115-127, June.
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    6. Jere R. Behrman & Paul Taubman, 1990. "The Intergenerational Correlation Between Children'S Adult Earnings And Their Parents' Income: Results From The Michigan Panel Survey Of Income Dynamics," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 36(2), pages 115-127, June.
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    More about this item

    Keywords

    Welfare index; inequality; poverty; sample; inference.;
    All these keywords.

    JEL classification:

    • I3 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty
    • J62 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Job, Occupational and Intergenerational Mobility; Promotion

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