Valuation of Equity-Linked Life Insurance Contracts with Surrender Guarantees in a Regime-Switching Rational Expectation Model
29 Pages Posted: 14 Mar 2012 Last revised: 30 Apr 2012
Date Written: March 13, 2012
Abstract
We develop a two-state regime-switching rational expectation model with the economic states recession and expansion for the valuation of equity-linked life insurance contracts with surrender guarantees. Our valuation model jointly captures the empirically observed macroeconomical regime-dependency of both the lapsing and the financial market dynamics. More precisely, our surrender model incorporates both the emergency fund and the interest rate hypothesis in an intensity-based approach via a countercyclical exogenous and a procyclical endogenous surrender intensity. On the equity side the reference fund evolution allows for a countercyclical volatility and a procyclical risk-free rate. The contract value of a representative policyholder is characterized as solution of a system of two coupled PDEs, which we solve numerically by the Crank-Nicolson scheme combined with a penalty method. In extensive numerical experiments we study the effect of the model parameters on the contract values and particularly surrender option values and also compare our regime-switching rational expectation model with the regime-switching American style surrender model.
Keywords: equity-linked life insurance, surrender guarantee, regime-switching, rational expectation
JEL Classification: G13, G22, C65
Suggested Citation: Suggested Citation
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