Years and Intensity of Schooling Investing
An essential feature of schooling is not only that it occurs in a different site than most on-the-job training but also that it is more intensive. That is, a smaller proportion of gross potential earnings is sacrificed in on-the-job training than in schooling. In estimating human capital earnings functions it has generally been assumed that during schooling 100% of gross potential earnings are invested in all years, while in on-the-job training this percentage is smaller and is a declining function of age. This assumption has been quite useful since it allows the identification of an estimate of the rate of return on schooling from a regression of earnings on years of schooling. This paper argues that the percentage of gross earnings invested may fall below 100% well before schooling is ended, that this percentage is likely to be correlated with years of schooling, and thus this procedure yields only a biased estimate of the rate of return to schooling.
|Date of creation:||Aug 1974|
|Publication status:||published as American Economic Review, Vol. 66, no. 3 (1976): 321-334.|
|Contact details of provider:|| Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.|
Web page: http://www.nber.org
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- Hause, John C, 1972. "Earnings Profile: Ability and Schooling," Journal of Political Economy, University of Chicago Press, vol. 80(3), pages S108-S38, Part II, .
- Mincer, Jacob & Polachek, Solomon, 1974.
"Family Investment in Human Capital: Earnings of Women,"
Journal of Political Economy,
University of Chicago Press, vol. 82(2), pages S76-S108, Part II, .
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- Jacob Mincer & Solomon Polachek, 1974. "Family Investments in Human Capital: Earnings of Women," NBER Chapters, in: Marriage, Family, Human Capital, and Fertility, pages 76-110 National Bureau of Economic Research, Inc.
- Lee A. Lillard, 1973. "Human Capital Life Cycle of Earnings Models: A Specific Solution and Estimation," NBER Working Papers 0004, National Bureau of Economic Research, Inc.
- Lewis C. Solmon, 1973. "The Definition and Impact of College Quality," NBER Working Papers 0007, National Bureau of Economic Research, Inc.
- Johnson, Thomas, 1970. "Returns from Investment in Human Capital," American Economic Review, American Economic Association, vol. 60(4), pages 546-560, September.
- Griliches, Zvi & Mason, William M, 1972. "Education, Income, and Ability," Journal of Political Economy, University of Chicago Press, vol. 80(3), pages S74-S103, Part II, .
- Giora Hanoch, 1967. "An Economic Analysis of Earnings and Schooling," Journal of Human Resources, University of Wisconsin Press, vol. 2(3), pages 310-329.
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