Lifesaving, lifetimes and lifetables
Mortality change roils period rates. In the short term, conventional calculations of age-specific probabilities of death and life expectancy in the period immediately after the change depend on how many lives have been saved. In the long term, the probabilities and period life expectancy also depend on how long these lives have been saved. When mortality is changing, calculations of period life expectancy do not, except in special circumstances, measure the life expectancy of a cohort of newborns that hypothetically live all their lives under the new mortality regime.
References listed on IDEAS
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- James W. Vaupel, 2002. "Life Expectancy at Current Rates vs. Current Conditions," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 7(8), pages 365-378, August.
- James Vaupel & Anatoli Yashin, 1987. "Repeated resuscitation: How lifesaving alters life tables," Demography, Springer;Population Association of America (PAA), vol. 24(1), pages 123-135, February.
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