Over the past several decades, human life expectancy has been increasing rather consistently, driving concerns about longevity risk for pension plans and annuity providers. While extrapolative methods assume continued mortality declines, recent years have seen stagnation or even declines in life...

In this paper, we develop a number of new composite models for modelling individual claims in general insurance. All our models contain a Weibull distribution for the smallest claims, a lognormal distribution for the medium-sized claims, and a long-tailed distribution for the largest claims....

We investigate the impact of model uncertainty on hedging longevity risk with index-based derivatives and assessing longevity basis risk, which arises from the mismatch between the hedging instruments and the portfolio being hedged. We apply the bivariate Lee-Carter model, the common factor...