The Effect of Policyholder Transfer Behavior on the Value of Guaranteed Minimum Death Benefits

Eric Ulm

North American Actuarial Journal, 2010, vol. 14, issue 1, 16-37

Abstract: Variable annuity contracts frequently include both guaranteed minimum death benefit (GMDB) options and options to transfer funds between fixed and variable accounts. We model the difference between fixed and variable rates as the primary determinant of policyholder transfer behavior. We find that people tend to transfer their money into variable accounts at about 39% of the rate that would be required to maintain constant percentage rebalancing, but with the opposite sign. If these transfers are not taken into account, the GMDB options on the variable accounts will be overvalued and overhedged. Ignoring this effect can have a substantial impact on the size of the futures portfolio needed to hedge this risk and a nonnegligible impact on the earnings of the variable annuity portfolio.

Date: 2010
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DOI: 10.1080/10920277.2010.10597575

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