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Cairns-Blake-Dowd (or CBD) model

\kɛrnz\-\bleɪk\-\daʊd\ \ˈmɑdəl\

A mathematical model used to project historical trends in mortality improvements into the future. It models mortality rates as a function of age and time, allowing both the average level of mortality and the rate at which mortality increases with age to vary year by year. The CBD model is particularly suited for older-age mortality and can be extended to incorporate cohort effects, capturing generational influences on mortality trends.

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