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Optimal Longevity Risk Transfer and Investment Strategies

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  • Samuel H. Cox
  • Yijia Lin
  • Sheen Liu

Abstract

Given the rising cost of maintaining defined benefit pensions, there has been a surge of activities in recent years by defined benefit plan sponsors to transfer their pension risk through strategies such as buy-ins and buy-outs. As buy-in and buy-out transaction pipelines grow, insurers actively participating in the buy-in and buy-out markets are exposed to significant longevity risk embedded in pension schemes. In this article, we investigate how to maximize a bulk annuity insurer’s value with reinsurance and/or longevity securities, subject to constraints that control longevity and investment risks as well as an overall risk. We apply duality and the martingale approach to derive an optimal longevity risk transfer strategy. Our results show that longevity risk transfer interacts with an insurer’s investment decision for value maximization. Our analysis also highlights the interdependence of different longevity risk management tools to achieve an overall risk target.

Suggested Citation

  • Samuel H. Cox & Yijia Lin & Sheen Liu, 2021. "Optimal Longevity Risk Transfer and Investment Strategies," North American Actuarial Journal, Taylor & Francis Journals, vol. 25(S1), pages 40-65, February.
    • Handle: RePEc:taf:uaajxx:v:25:y:2021:i:s1:p:s40-s65
    DOI: 10.1080/10920277.2019.1692617
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    Cited by:

    1. Blake, David & Cairns, Andrew J.G., 2021. "Longevity risk and capital markets: The 2019-20 update," Insurance: Mathematics and Economics, Elsevier, vol. 99(C), pages 395-439.

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