Chang, Yang; Sherris, Michael - In: Risks : open access journal 6 (2018) 1, pp. 1-20
this index. Firstly, the underlying variables of most existing longevity indices are based on mortality experience only … dependencies between ages and cohorts with a cohort-based stochastic mortality model. We achieve this by introducing age …-dependent model parameters. With our mortality model, we obtain realistic cohort correlation structures and improve the fitting …