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Comonotonic approximations for the probability of lifetime ruin

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  • VAN WEERT, KOEN
  • DHAENE, JAN
  • GOOVAERTS, MARC

Abstract

This paper addresses the issue of lifetime ruin, which is defined as running out of money before death. Taking into account the random nature of the remaining lifetime, we discuss how a retiree should invest in order to avoid lifetime ruin. We also discuss the conditional time of lifetime ruin and the notion of bequest or wealth at death. Using analytical approximations based on comonotonicity, we provide a new approach which is easy to understand and leads to very accurate results without computationally complex calculations. Our analytical approach avoids simulation, which allows to solve very general optimal portfolio selection problems.

Suggested Citation

  • Van Weert, Koen & Dhaene, Jan & Goovaerts, Marc, 2012. "Comonotonic approximations for the probability of lifetime ruin," Journal of Pension Economics and Finance, Cambridge University Press, vol. 11(2), pages 285-309, April.
    • Handle: RePEc:cup:jpenef:v:11:y:2012:i:02:p:285-309_00
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