Heterogeneity of Australian Population Mortality and Implications for a Viable Life Annuity Market
Heterogeneity in mortality rates is known to exist in populations, undermining the use of age and sex as the only rating factors for life insurance and annuity products. Life insurers underwrite life products using a variety of rating factors to allow for this heterogeneity. In the case of life annuities, there is limited underwriting used. Life insurers rely on an assumption that lives will self select and price the longevity risk with an annuity mortality table that assumes above average longevity.
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- Chris Elbers & Geert Ridder, 1982. "True and Spurious Duration Dependence: The Identifiability of the Proportional Hazard Model," Review of Economic Studies, Oxford University Press, vol. 49(3), pages 403-409.
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