Volume 24 - Article 19 | Pages 455–468
Linking period and cohort life-expectancy linear increases in Gompertz proportional hazards models
| Date received: | 07 Dec 2010 |
| Date published: | 15 Mar 2011 |
| Word count: | 1278 |
| Keywords: | cohort life expectancy, Gompertz mortality, Linear Shift Models, period life expectancy |
| DOI: | 10.4054/DemRes.2011.24.19 |
| Additional files: | animated_figure_2 (pdf file, 2 MB) |
| Weblink: | All publications in the ongoing Special Collection 8 "Formal Relationships" can be found at http://www.demographic-research.org/special/8/ |
Abstract
In a Gompertz mortality model with constant yearly improvements at all ages, linear increases in period life expectancy correspond to linear increases in the respective cohort life expectancy. The link between the two measures can be given by a simple approximate relationship.
Author's Affiliation
Trifon I. Missov - Syddansk Universitet, Denmark
Adam Lenart - Syddansk Universitet, Denmark
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