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Taxation and policyholder behavior: the case of guaranteed minimum accumulation benefits

Published online by Cambridge University Press:  05 January 2024

Jennifer Alonso-García*
Affiliation:
Department of Mathematics, Faculté des Sciences Université Libre de Bruxelles Campus de la Plaine - CP 213, Boulevard du Triomphe ACC.2 1050 Bruxelles, Belgium ARC Centre of Excellence in Population Ageing Research (CEPAR) UNSW Sydney Sydney, Australia Netspar Tilburg, The Netherlands
Michael Sherris
Affiliation:
School of Risk and Actuarial Studies UNSW Sydney Sydney, Australia ARC Centre of Excellence in Population Ageing Research (CEPAR) UNSW Sydney Sydney, Australia
Samuel Thirurajah
Affiliation:
TAL Australia Sydney, Australia
Jonathan Ziveyi
Affiliation:
School of Risk and Actuarial Studies UNSW Sydney Sydney, Australia ARC Centre of Excellence in Population Ageing Research (CEPAR) UNSW Sydney Sydney, Australia
*
Corresponding author: Jennifer Alonso-García; Email: jennifer.alonso.garcia@ulb.be

Abstract

This paper considers variable annuity (VA) contracts embedded with guaranteed minimum accumulation benefit (GMAB) riders when policyholder’s proceeds are taxed upon early surrender or maturity. These contracts promise the return of the premium paid by the policyholder, or a higher rolled-up value, at the end of the investment period. A partial differential equation valuation framework which exploits the numerical method of lines is used to determine fair fees that render the policyholder and insurer breakeven. Two taxation regimes are considered: one where capital gains are allowed to offset losses and a second where gains do not offset losses. Most insurance providers highlight the tax-deferred features of VA contracts. We show that the regime under which the insured is taxed significantly impacts prices. If losses are allowed to offset gains then this enhances the market, increasing the policyholder’s willingness to participate in the market compared to the case when losses are not allowed to offset gains. With fair fees from the policyholder’s perspective, we show that the net profit is generally positive for insurance companies offering the contract as a naked option without any hedge. We also show how investment policy, as reflected in the Sharpe ratio, impacts and interacts with policyholder persistency.

Type
Research Article
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of The International Actuarial Association

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