Pricing Annuity Guarantees Under a Regime-Switching Model

X. Lin, Ken Tan and Hailiang Yang

North American Actuarial Journal, 2009, vol. 13, issue 3, 316-332

Abstract: We consider the pricing problem of equity-linked annuities and variable annuities under a regimeswitching model when the dynamic of the market value of a reference asset is driven by a generalized geometric Brownian motion model with regime switching. In particular, we assume that regime switching over time according to a continuous-time Markov chain with a finite number state space representing economy states. We use the Esscher transform to determine an equivalent martingale measure for fair valuation in the incomplete market setting. The paper is complemented with some numerical examples to highlight the implications of our model on pricing these guarantees.

Date: 2009
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DOI: 10.1080/10920277.2009.10597557

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