Study on the life annuity actuarial present value models of annuity portfolio insurance
关于生存年金组合精算现值问题的研究

Many researchers studied the life annuity because it is very important.Firstly, A generalized stochastic interest rate model is derived by using time series.We then get the life annuity actuarial present value models of annuity portfolio insurance through the portfolio theory,under the independent stochastic interest rates environment.