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Title: Life annuities with stochastic interest rates
Authors: Hoedemakers, Tom
Darkiewicz, G.
Dhaene, Jan
Goovaerts, Marc #
Issue Date: 2004
Conference: Conference in Actuarial Science & Finance edition:3 location:Samos, Karlovassi (Greece) date:2-5 September 2004
Abstract: In the traditional approach to life contingencies only decrements are assumed to be stochastic. In this contribution we consider the distribution of a life annuity (and a portfolio of life annuities) when also the stochastic nature of interest rates is taken into account. Although the literature concerning this topic is already quite rich, the authors usually restrict themselves to the computation of the first two or three moments. However, if one wants to determine e.g. capital requirements using more sofisticated risk measures like Value-at-Risk or Tail Value-at-Risk, more detailed knowledge about underlying distributions is required.
For this purpose, we propose to use the theory of comonotonic risks developed in Dhaene et al. (2002a and 2002b), which has to be slightly adjusted to the case of scalar products.
This methodology allows to obtain reliable approximations of the underlying distribution functions, in particular very accurate estimates of upper quantiles and stop-loss premiums.
Several numerical illustrations confirm the very high accuracy of the methodology.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Research Center Insurance, Leuven
# (joint) last author

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