The Impact of Heterogeneity in Individual Frailty on the Dynamics of Mortality¶
Vaupel, J. W., Manton, K. G., & Stallard, E. (1979). The Impact of Heterogeneity in Individual Frailty on the Dynamics of Mortality. Demography, 16(3), 439-454.
Cited by¶
1 citation across 1 artifact.
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Mechanisms¶
- Hazard-Shape Diagnostic
- Its central trap is that unobserved heterogeneity makes a pooled hazard look decreasing even when every unit is memoryless or aging — frailty faking a Lindy signal — which is why the subgroup check is not optional.
This sourceShows that population heterogeneity in frailty can produce declining aggregate mortality even when individual mortality risks are constant or increasing.
- Its central trap is that unobserved heterogeneity makes a pooled hazard look decreasing even when every unit is memoryless or aging — frailty faking a Lindy signal — which is why the subgroup check is not optional.
Verification¶
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Does it back the claim? Not recorded. The single citation of this work carries no recorded support check.
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Registry ID ref:ba7fb1d7a4c4 · see in the full table