In this paper, we try to investigate the numerical characteristics of present value of annuities with random interests.

本文试图在随机利率条件下研究年金现值的数字特征。

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On the other hand, the moment, the second moment and variance of the present value random variables about some life annuities and annuities with random interest rate are gotten.

另一方面讨论了随机利率下的一些离散年金、连续年金和连续生存年金现值随机变量的一阶和二阶原点矩及其方差。

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Critics lodge a number of complaints, saying that these plans would increase future budget deficits, hurt the sales of annuities and the cash value of life insurance policies, lessen the attractiveness of tax-exempt bonds and wouldn't actually increase the pool of savings.

FORBES: Fact and Comment