Modelling cause-of-death mortality and the impact of cause-elimination

Autor: Daniel H. Alai, Séverine Arnold, Michael Sherris
Přispěvatelé: Arnold (-Gaille) S.
Rok vydání: 2014
Předmět:
Zdroj: Annals of Actuarial Science, vol. 9, no. 1, pp. 167-186
ISSN: 1748-5002
1748-4995
DOI: 10.1017/s174849951400027x
Popis: Changes in underlying mortality rates significantly impact insurance business as well as private and public pension systems. Individual mortality studies have data limitations; aggregate mortality studies omit many relevant details. The study of causal mortality represents the middle ground, where population data is used while cause-of-death information is retained. We use internationally classified cause-of-death categories and data obtained from the World Health Organization. We model causal mortality simultaneously in a multinomial logistic framework. Consequently, inherent dependence amongst the competing causes is accounted for. This framework allows us to investigate the effects of improvements in, or the elimination of, cause-specific mortality in a sound probabilistic way. This is of particular interest for scenario-based forecasting purposes. We show the multinomial model is more conservative than a force-of-mortality approach. Finally, we quantify the impact of cause-elimination on aggregate mortality using residual life expectancy and apply our model to a French case study.
Databáze: OpenAIRE