Volume 13 - Article 24 | Pages 597-614

Lifesaving, lifetimes and lifetables

By James W. Vaupel

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Date received:04 Mar 2005
Date published:15 Dec 2005
Word count:4246
Keywords:life expectancy, life tables
DOI:10.4054/DemRes.2005.13.24
 

Abstract

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.

Author's Affiliation

James W. Vaupel - Max Planck Institute for Demographic Research, Germany [Email]

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