Valuation of Equity-Linked Death Benefits on Two Lives with Dependence
Kokou Essiomle and
Franck Adékambi ()
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Kokou Essiomle: School of Economics, University of Johannesburg, Johannesburg 2006, South Africa
Franck Adékambi: School of Economics, University of Johannesburg, Johannesburg 2006, South Africa
Risks, 2023, vol. 11, issue 1, 1-26
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.
Keywords: equity-linked death benefits; lookback option; multi-life; Farlie–Gumbel–Morgenstern copula; weighted exponentials distributions (search for similar items in EconPapers)
JEL-codes: C G0 G1 G2 G3 K2 M2 M4 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jrisks:v:11:y:2023:i:1:p:21-:d:1034151
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