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The decomposition of the difference between two healthy life expectancies: which formula is right?

Author

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  • Vladimir M. Shkolnikov

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

  • Evgeny M. Andreev

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

Abstract

About two months ago, a colleague asked me to look at a preliminary version of a working paper written by him together with two other researchers. The topic of the paper was how patterns of morbidity prevalence influence the length of healthy life. Among other analyses, the authors presented an age decomposition of a change in healthy life expectancy (HLE). The text of the working paper included references to two studies published in the early 2000s, which were the first to introduce formulas for decomposing the difference between two HLE values by age, and by health and mortality within each age. In this note, we intend to clarify this apparent discrepancy by demonstrating 1) the correctness of the method by Andreev, Shkolnikov, and Begun 2002; and 2) the flaws in the method related to mortality components by Nusselder and Looman 2004.

Suggested Citation

  • Vladimir M. Shkolnikov & Evgeny M. Andreev, 2017. "The decomposition of the difference between two healthy life expectancies: which formula is right?," MPIDR Working Papers WP-2017-016, Max Planck Institute for Demographic Research, Rostock, Germany.
    • Handle: RePEc:dem:wpaper:wp-2017-016
    DOI: 10.4054/MPIDR-WP-2017-016
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    References listed on IDEAS

    as
    1. Evgeny M. Andreev & Vladimir Shkolnikov & Alexander Begun, 2002. "Algorithm for decomposition of differences between aggregate demographic measures and its application to life expectancies, healthy life expectancies, parity-progression ratios and total fertility rat," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 7(14), pages 499-522.
    2. repec:cai:popine:popu_p1985_40n4-5_0770 is not listed on IDEAS
    3. Dmitri A. Jdanov & Vladimir M. Shkolnikov & Alyson A. van Raalte & Evgeny M. Andreev, 2017. "Decomposing Current Mortality Differences Into Initial Differences and Differences in Trends: The Contour Decomposition Method," Demography, Springer;Population Association of America (PAA), vol. 54(4), pages 1579-1602, August.
    4. Evgeny M. Andreev & Vladimir M. Shkolnikov & Alexander Z. Begun, 2002. "Algorithm for decomposition of differences between aggregate demographic measures and its application to life expectancies, Gini coefficients, health expectancies, parity-progression ratios and total ," MPIDR Working Papers WP-2002-035, Max Planck Institute for Demographic Research, Rostock, Germany.
    5. Wilma Nusselder & Caspar Looman, 2004. "Decomposition of differences in health expectancy by cause," Demography, Springer;Population Association of America (PAA), vol. 41(2), pages 315-334, May.
    6. Eduardo Arriaga, 1984. "Measuring and explaining the change in life expectancies," Demography, Springer;Population Association of America (PAA), vol. 21(1), pages 83-96, February.
    Full references (including those not matched with items on IDEAS)

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    JEL classification:

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

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