Optimal hedging of demographic risk in life

Submitted on 29th July 2015

A Markov chain model is taken to describe the development of a multi-state life insurance policy or portfolio in a stochastic economic-demographic
environment. It is assumed that there exists an arbitrage-free market with tradeable securities derived from demographic indices. Adopting a mean-variance criterion, two problems are formulated and solved. First, how can an insurer optimally hedge environmental risk by trading in a given set of derivatives? Second, assuming that insurers perform optimal hedging strategies in a given derivatives market, how can the very derivatives be designed in order to minimize the average hedging error across a given population of insurers? The paper comes with the caveat emptor that the theory will find its prime applications, not in securitization of longevity risk, but rather in securitization of catastrophic mortality risk

Ragnar Norberg
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Ragnar Norberg
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