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Valuation of Equity-Linked Death Benefits on Two Lives with Dependence

Author

Listed:
  • Kokou Essiomle

    (School of Economics, University of Johannesburg, Johannesburg 2006, South Africa)

  • Franck Adékambi

    (School of Economics, University of Johannesburg, Johannesburg 2006, South Africa)

Abstract

The purpose of this paper is to investigate equity-linked death benefits for joint alive and last survivor individuals. Utilizing Farlie–Gumbel–Morgenstern (FGM) type dependency modeling framework, we first analyze the joint distribution of the couple (joint alive and last survival density) when marginal distributions follow mixed exponentials and weighted exponentials distributions. Then, we derive the price of the guaranteed minimum death benefit (GMDB) product. In addition, we provide closed analytical expressions of the price of some financial contingent claim contracts (classical and exotic options). Furthermore, we present some numerical results to support our theoretical results. We show in our numerical example that it is important to model the dependency between two lives (couple) since the price changes as the copula parameter changes.

Suggested Citation

  • Kokou Essiomle & Franck Adékambi, 2023. "Valuation of Equity-Linked Death Benefits on Two Lives with Dependence," Risks, MDPI, vol. 11(1), pages 1-26, January.
    • Handle: RePEc:gam:jrisks:v:11:y:2023:i:1:p:21-:d:1034151
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    References listed on IDEAS

    as
    1. Pavel V. Shevchenko & Xiaolin Luo, 2016. "A Unified Pricing of Variable Annuity Guarantees under the Optimal Stochastic Control Framework," Risks, MDPI, vol. 4(3), pages 1-31, July.
    2. Wang, Yayun & Zhang, Zhimin & Yu, Wenguang, 2021. "Pricing equity-linked death benefits by complex Fourier series expansion in a regime-switching jump diffusion model," Applied Mathematics and Computation, Elsevier, vol. 399(C).
    3. Pavel V. Shevchenko & Xiaolin Luo, 2016. "A unified pricing of variable annuity guarantees under the optimal stochastic control framework," Papers 1605.00339, arXiv.org.
    4. Kirkby, J. Lars & Nguyen, Duy, 2021. "Equity-linked Guaranteed Minimum Death Benefits with dollar cost averaging," Insurance: Mathematics and Economics, Elsevier, vol. 100(C), pages 408-428.
    Full references (including those not matched with items on IDEAS)

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