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The case for negative senescence

Author

Listed:
  • James W. Vaupel

    (Max Planck Institute for Demographic Research, Rostock, Germany)

  • Annette Baudisch

    (Max Planck Institute for Demographic Research, Rostock, Germany)

  • Martin Dölling

    (Max Planck Institute for Demographic Research, Rostock, Germany)

  • Deborah A. Roach
  • Jutta Gampe

    (Max Planck Institute for Demographic Research, Rostock, Germany)

Abstract

Negative senescence is characterized by a decline in mortality with age after reproductive maturity, generally accompanied by an increase in fecundity. Hamilton (1966) ruled out negative senescence: we adumbrate the deficiencies of his model. We review empirical studies of various plants and some kinds of animals that may experience negative senescence and conclude that negative senescence may be widespread, especially in indeterminate-growth species for which size and fertility increase with age. We develop optimization models of life-history strategies that demonstrate that negative senescence is theoretically possible. More generally, our models contribute to understanding of the evolutionary and demographic forces that mold the agetrajectories of mortality, fertility and growth.

Suggested Citation

  • James W. Vaupel & Annette Baudisch & Martin Dölling & Deborah A. Roach & Jutta Gampe, 2004. "The case for negative senescence," MPIDR Working Papers WP-2004-002, Max Planck Institute for Demographic Research, Rostock, Germany.
  • Handle: RePEc:dem:wpaper:wp-2004-002
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    File URL: http://www.demogr.mpg.de/papers/working/wp-2004-002.pdf
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    References listed on IDEAS

    as
    1. Léonard,Daniel & Long,Ngo van, 1992. "Optimal Control Theory and Static Optimization in Economics," Cambridge Books, Cambridge University Press, number 9780521331586, May.
    2. Annette Baudisch, 2004. "Hamilton’s indicators of the force of selection," MPIDR Working Papers WP-2004-017, Max Planck Institute for Demographic Research, Rostock, Germany.
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    Citations

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    Cited by:

    1. James R. Carey, 2008. "Biodemography: Research prospects and directions," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 19(50), pages 1749-1758, September.
    2. Hostenkamp, Gisela & Stolpe, Michael, 2008. "Optimal health and retirement policies amid population aging," Kiel Working Papers 1428, Kiel Institute for the World Economy (IfW).
    3. Cyrus Chu, C.Y. & Chien, Hung-Ken & Lee, Ronald D., 2010. "The evolutionary theory of time preferences and intergenerational transfers," Journal of Economic Behavior & Organization, Elsevier, vol. 76(3), pages 451-464, December.
    4. Annette Baudisch & James W. Vaupel, 2009. "Senescence vs. sustenance: evolutionary-demographic models of aging," MPIDR Working Papers WP-2009-040, Max Planck Institute for Demographic Research, Rostock, Germany.
    5. James W. Vaupel & Zhen Zhang, 2012. "The difference between alternative averages," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 27(15), pages 419-428, September.
    6. repec:eee:thpobi:v:73:y:2008:i:2:p:171-180 is not listed on IDEAS
    7. Maria G. Perozek, 2005. "Using subjective expectations to forecast longevity: do survey respondents know something we don't know?," Finance and Economics Discussion Series 2005-68, Board of Governors of the Federal Reserve System (U.S.).
    8. Annette Baudisch, 2009. "How ageing is shaped by trade-offs," MPIDR Working Papers WP-2009-043, Max Planck Institute for Demographic Research, Rostock, Germany.
    9. James W. Vaupel, 2009. "Lively Questions for Demographers about Death at Older Ages," Population and Development Review, The Population Council, Inc., vol. 35(2), pages 347-356.

    More about this item

    JEL classification:

    • J1 - Labor and Demographic Economics - - Demographic Economics
    • Z0 - Other Special Topics - - General

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