Risk analysis and valuation of life insurance contracts: Combining actuarial and financial approaches
In this paper, we analyze traditional (i.e. not unit-linked) participating life insurance contracts with a guaranteed interest rate and surplus participation. We consider three different surplus distribution models and an asset allocation that consists of money market, bonds with different maturities, and stocks. In this setting, we combine actuarial and financial approaches by selecting a risk minimizing asset allocation (under the real world measure ) and distributing terminal surplus such that the contract value (under the pricing measure ) is fair. We prove that this strategy is always possible unless the insurance contracts introduce arbitrage opportunities in the market. We then analyze differences between the different surplus distribution models and investigate the impact of the selected risk measure on the risk minimizing portfolio.
Year of publication: |
2011
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Authors: | Graf, Stefan ; Kling, Alexander ; Ruß, Jochen |
Published in: |
Insurance: Mathematics and Economics. - Elsevier, ISSN 0167-6687. - Vol. 49.2011, 1, p. 115-125
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Publisher: |
Elsevier |
Keywords: | Life insurance Interest rate guarantees Risk management Optimal asset allocation Risk neutral valuation |
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