research
Mortality transition and differential incentives for early retirement.
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Abstract
Many studies specify human mortality patterns parametrically, with a parameter change affecting mortality rates at different ages simultaneously. Motivated by the stylized fact that a mortality decline affects primarily younger people in the early phase of mortalitytransition but mainly older people in the later phase, we study how a mortality change at an arbitrary age affects optimal retirement age. Using the Volterra derivative for a functional, we show that mortality reductions at older ages delay retirement unambiguously, but that mortality reductions at younger ages may lead to earlierretirement due to a substantial increase in the individualʼs expected lifetime human wealth.incentive for early retirement; lifetime human wealth effect; years-to-consume effect; mortality decline;