Volume 27 - Article 13 | Pages 365-376
How life expectancy varies with perturbations in age-specific mortality
|Date received:||13 Oct 2011|
|Date published:||04 Sep 2012|
|Keywords:||life expectancy, mortality, pace of aging, perturbation|
|Weblink:||All publications in the ongoing Special Collection 8 "Formal Relationships" can be found at http://www.demographic-research.org/special/8/|
Background: A naturally arising question in demography is how a given change in mortality affects life expectancy. Scholars have targeted this question with different aims and from different perspectives.
Objective: We present and prove the central relationship between change in mortality and resulting change in e0, and we systematically apply it to investigate the effect of specific mortality perturbations.
Comments: Expressions for the change in e_0 resulting from a change in the parameters of the standard parametric mortality model in demography, the Gompertz-Makeham model, include well-known demographic quantities, which might prove useful for future studies.
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