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The Estimation of Fertility Equations on Panel Data


  • Robert Moffitt


Several econometric issues in the estimation of fertility equations with panel data are addressed in this paper. The most interesting is the truncation of the error term in a number-of-children equation arising from the fact that the number of children cannot fall over time. It is shown that this generates a "ratchet" mechanism under which the probability of having a child drops suddenly following a birth and then gradually rises again until another birth occurs. Estimates are provided with the National Longitudinal Survey of Young Women.

Suggested Citation

  • Robert Moffitt, 1984. "The Estimation of Fertility Equations on Panel Data," Journal of Human Resources, University of Wisconsin Press, vol. 19(1), pages 22-34.
  • Handle: RePEc:uwp:jhriss:v:19:y:1984:i:1:p:22-34

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    References listed on IDEAS

    1. Bloch, Farrell, 1994. "Antidiscrimination Law and Minority Employment," University of Chicago Press Economics Books, University of Chicago Press, edition 0, number 9780226059839.
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    4. David Neumark & Michele McLennan, 1995. "Sex Discrimination and Women's Labor Market Outcomes," Journal of Human Resources, University of Wisconsin Press, vol. 30(4), pages 713-740.
    5. Blau, David M, 1994. "Labor Force Dynamics of Older Men," Econometrica, Econometric Society, vol. 62(1), pages 117-156, January.
    6. Kuhn, Peter J, 1990. "Sex Discrimination in Labor Markets: The Role of Statistical Evidence: Reply," American Economic Review, American Economic Association, vol. 80(1), pages 290-297, March.
    7. Hurd, Michael D, 1990. "Research on the Elderly: Economic Status, Retirement, and Consumption and Saving," Journal of Economic Literature, American Economic Association, vol. 28(2), pages 565-637, June.
    8. Joseph F. Quinn & Richard V. Burkhauser & Daniel A. Myers, 1990. "Passing the Torch: The Influence of Economic Incentives on Work and Retirement," Books from Upjohn Press, W.E. Upjohn Institute for Employment Research, number pt, November.
    9. Hellerstein, Judith K & Neumark, David & Troske, Kenneth R, 1999. "Wages, Productivity, and Worker Characteristics: Evidence from Plant-Level Production Functions and Wage Equations," Journal of Labor Economics, University of Chicago Press, vol. 17(3), pages 409-446, July.
    10. Robert M. Hutchens, 1988. "Do Job Opportunities Decline with Age?," ILR Review, Cornell University, ILR School, vol. 42(1), pages 89-99, October.
    11. Lazear, Edward P, 1979. "Why Is There Mandatory Retirement?," Journal of Political Economy, University of Chicago Press, vol. 87(6), pages 1261-1284, December.
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    Cited by:

    1. David Blau & Philip Robins, 1989. "Fertility, Employment, and Child-Care Costs," Demography, Springer;Population Association of America (PAA), vol. 26(2), pages 287-299, May.

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