Volume 14 - Article 11 | Pages 217–236
Ages of origin and destination for a difference in life expectancy
Date received: | 10 Jul 2005 |
Date published: | 16 Mar 2006 |
Word count: | 3300 |
Keywords: | age decomposition, life tables, temporary life expectancy |
DOI: | 10.4054/DemRes.2006.14.11 |
Abstract
Decomposition of a difference in life expectancies may identify ages at which the difference originates in mortality differences, or may identify age at which the difference results in different values of person-years lived (life table population). This study shows that the two approaches are orthogonally related to each other, and derives an origin-destination decomposition matrix in which summing in one direction produces Andreev's origin-decomposition results, while summing in the other direction produces destination-decomposition corresponding to directly-observed differences in nLx values.
Author's Affiliation
Elwood Carlson - Florida State University, United States of America
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