GEOGRAPHICAL DIVERSIFICATION AND LONGEVITY RISK MITIGATION IN ANNUITY PORTFOLIOS

Clemente De Rosa, Elisa Luciano and Luca Regis ()

ASTIN Bulletin, 2021, vol. 51, issue 2, 375-410

Abstract: This paper provides a method to assess the risk relief deriving from a foreign expansion by a life insurance company. We build a parsimonious continuous-time model for longevity risk that captures the dependence across different ages in domestic versus foreign populations. We calibrate the model to portray the case of a UK annuity portfolio expanding internationally toward Italian policyholders. The longevity risk diversification benefits of an international expansion are sizable, in particular when interest rates are low. The benefits are judged based on traditional measures, such as the Risk Margin or volatility reduction, and on a novel measure, the Diversification Index.

Date: 2021
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Related works:
Working Paper: Geographical diversification and longevity risk mitigation in annuity portfolios (2019)
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Persistent link: https://EconPapers.repec.org/RePEc:cup:astinb:v:51:y:2021:i:2:p:375-410_2

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