Cash flows and policyholder behaviour in the semi-Markov life insurance setup

Kristian Buchardt, Thomas Møller and Kristian Bjerre Schmidt

Scandinavian Actuarial Journal, 2015, vol. 2015, issue 8, 660-688

Abstract: Within the setup of a semi-Markov process in a finite state space, we consider a life insurance contract. First, without the modelling of policyholder behaviour, we show how to calculate the expected cash flow associated with future payments, and to that end we present a version of Kolmogorov’s forward integro-differential equation. The semi-Markov model is then extended to include modelling of surrender and free policy behaviour, and the main result is a modification of Kolmogorov’s forward integro-differential equation, such that the cash flow can be calculated without significantly more complexity than the cash flow without policyholder modelling. The result is also demonstrated for the traditional Markov case where there is no duration dependence, and numerical examples are studied.

Date: 2015
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Citations: View citations in EconPapers (4)

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DOI: 10.1080/03461238.2013.879919

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