Modelling lifetime dependence for older ages using a multivariate Pareto distribution
Daniel H. Alai,
Zinoviy Landsman and
Michael Sherris
Insurance: Mathematics and Economics, 2016, vol. 70, issue C, 272-285
Abstract:
The main driver of longevity risk is uncertainty in old-age mortality, especially surrounding potential dependence structures. We investigate a multivariate Pareto distribution that allows for the exploration of a variety of applications, from portfolios of standard annuities to joint-life annuity products for couples. Given the anticipated continued increase of supercentenarians, the heavy-tailed nature of the Pareto distribution is appropriate for this application. In past work, it has been shown that even a little dependence between lives can lead to much higher uncertainty. Therefore, the ability to assess and incorporate the appropriate dependence structure, whilst allowing for extreme observations, significantly improves the pricing and risk management of life-benefit products.
Keywords: Longevity risk; Lifetime dependence; Multivariate Pareto distribution; Quantiles; Fisher information; Bulk annuity pricing; Truncation (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (1)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:insuma:v:70:y:2016:i:c:p:272-285
DOI: 10.1016/j.insmatheco.2016.06.016
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