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Like Father, Like Son? A Note on the Intergenerational Transmission of IQ Scores

Author

Listed:
  • Black, Sandra E.

    () (University of Texas at Austin)

  • Devereux, Paul J.

    () (University College Dublin)

  • Salvanes, Kjell G.

    () (Norwegian School of Economics)

Abstract

More able parents tend to have more able children. While few would question the validity of this statement, there is little large-scale evidence on the intergenerational transmission of IQ scores. Using a larger and more comprehensive dataset than previous work, we are able to estimate the intergenerational correlation in IQ scores, examining not just average correlations but also how this relationship varies for different subpopulations. We find that there is substantial intergenerational transmission of IQ scores; an increase in father’s IQ at age 18 of 10% is associated with a 3.2% increase in son’s IQ at the same age. This relationship holds true no matter how we break the data. This effect is much larger than our estimated elasticity of intergenerational transmission of income of approximately .2.

Suggested Citation

  • Black, Sandra E. & Devereux, Paul J. & Salvanes, Kjell G., 2008. "Like Father, Like Son? A Note on the Intergenerational Transmission of IQ Scores," IZA Discussion Papers 3651, Institute for the Study of Labor (IZA).
  • Handle: RePEc:iza:izadps:dp3651
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    References listed on IDEAS

    as
    1. Sandra E. Black & Paul J. Devereux & Kjell G. Salvanes, 2010. "Small Family, Smart Family? Family Size and the IQ Scores of Young Men," Journal of Human Resources, University of Wisconsin Press, vol. 45(1).
    2. Sandra E. Black & Paul J. Devereux & Kjell G. Salvanes, 2005. "The More the Merrier? The Effect of Family Size and Birth Order on Children's Education," The Quarterly Journal of Economics, Oxford University Press, vol. 120(2), pages 669-700.
    3. Sandra E. Black & Paul J. Devereux & Kjell G. Salvanes, 2011. "Older and Wiser? Birth Order and IQ of Young Men," CESifo Economic Studies, CESifo, vol. 57(1), pages 103-120, March.
    4. Solon, Gary, 1999. "Intergenerational mobility in the labor market," Handbook of Labor Economics,in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 29, pages 1761-1800 Elsevier.
    5. Steven Haider & Gary Solon, 2006. "Life-Cycle Variation in the Association between Current and Lifetime Earnings," American Economic Review, American Economic Association, vol. 96(4), pages 1308-1320, September.
    6. Gary S. Becker & Nigel Tomes, 1994. "Human Capital and the Rise and Fall of Families," NBER Chapters,in: Human Capital: A Theoretical and Empirical Analysis with Special Reference to Education (3rd Edition), pages 257-298 National Bureau of Economic Research, Inc.
    7. Sandra E. Black & Paul J. Devereux & Kjell G. Salvanes, 2005. "Why the Apple Doesn't Fall Far: Understanding Intergenerational Transmission of Human Capital," American Economic Review, American Economic Association, vol. 95(1), pages 437-449, March.
    8. Lena Lindahl, 2008. "Do birth order and family size matter for intergenerational income mobility? Evidence from Sweden," Applied Economics, Taylor & Francis Journals, vol. 40(17), pages 2239-2257.
    9. Neal, Derek A & Johnson, William R, 1996. "The Role of Premarket Factors in Black-White Wage Differences," Journal of Political Economy, University of Chicago Press, vol. 104(5), pages 869-895, October.
    10. Espen Bratberg & Oivind Anti Nilsen & Kjell Vaage, 2005. "Intergenerational Earnings Mobility in Norway: Levels and Trends," Scandinavian Journal of Economics, Wiley Blackwell, vol. 107(3), pages 419-435, September.
    11. Becker, Gary S & Tomes, Nigel, 1979. "An Equilibrium Theory of the Distribution of Income and Intergenerational Mobility," Journal of Political Economy, University of Chicago Press, vol. 87(6), pages 1153-1189, December.
    12. Samuel Bowles & Herbert Gintis, 2002. "The Inheritance of Inequality," Journal of Economic Perspectives, American Economic Association, vol. 16(3), pages 3-30, Summer.
    13. Bjorklund, Anders & Jantti, Markus, 1997. "Intergenerational Income Mobility in Sweden Compared to the United States," American Economic Review, American Economic Association, vol. 87(5), pages 1009-1018, December.
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    More about this item

    Keywords

    intergenerational mobility; ability;

    JEL classification:

    • J0 - Labor and Demographic Economics - - General
    • I0 - Health, Education, and Welfare - - General
    • J1 - Labor and Demographic Economics - - Demographic Economics

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