Modeling and forecasting sex differences in mortality: a sex-ratio approach
Date
2018
Authors
Bergeron-Boucher, Marie-Pier
Canudas-Romo, Vladimir
Pascariu, Marius
Lindahl-Jacobsen, Rune
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ESIA Books and Journals
Abstract
Female and male life expectancies have converged in most industrialized societies in recent decades. To achieve coherent forecasts between females and males, this convergence needs to be considered when forecasting sex-specific mortality. We introduce a model forecasting a matrix of the age-specific death rates of sex ratio, decomposed into two age profiles and time indices—before and after age 45—using principal component analysis. Our model allows visualization of both age structure and general level over time of sex differences in mortality for these two age groups. Based on a prior forecast for females, we successfully forecast male mortality convergence with female mortality. The usefulness of the developed model is illustrated by its comparison with other coherent and independent models in an out-of-sample forecast evaluation for 18 countries. The results show that the new proposal outperformed the other models for most countries.
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Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0
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