The markets for longevity derivatives are starting to develop. In last years, many companies have closed the defined benefit retirement plans that they used to offer to their employees. In addition, some governments increased the retirement age by 2 or 5 years to take into account longevity...

In this paper, we propose AR-GARCH (autoregression-generalized autoregressive conditional heteroskedasticity) models to fit and forecast mortality rates for a given age by two alternative approaches. Specifically, one approach is to fit a time series of mortality rates for some age to an...