Volume 27 - Article 13 | Pages 365–376
How life expectancy varies with perturbations in age-specific mortality
By Tomasz Wrycza, Annette Baudisch
This article is part of the ongoing Special Collection 8 „Formal Relationships“
Abstract
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.
Author’s Affiliation
- Tomasz Wrycza - Max-Planck-Institut für Demografische Forschung, Germany EMAIL
- Annette Baudisch - Syddansk Universitet, Denmark EMAIL
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