Elwood Carlson

http://www.demographic-research.org/volumes/vol14/11/

doi:10.4054/DemRes.2006.14.11

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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

Keywords
age decomposition, life tables, temporary life expectancy

Word count (Main text)
3300

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