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改进了在传统保险精算学中假设利率为一个固定常数的情况下计算生存年金模型 ,讨论了随机利率下的生存年金的期望现值问题 ,分别给出了各年利率在相互独立和具有相关关系情况下计算生存年金期望现值的模型 .
The model of living annuity is calculated under the assumption that the interest rate is a fixed constant in the traditional insurance actuarial theory and the expectation present value of the living annuity under the random interest rate is discussed. The interest rates in each year are separately and correlated Case of life expectancy expected present value of the model.