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Modeling mortality at old age with time-varying parameters
Several models of old age mortality with time-varying parameters are expressed in a single formula. In these models, the existence of an age threshold above which mortality increases over time and below which mortality decreases over time is problematic. The conditions of appearance of this threshold are expressed and shown on logistic and exponential models with empirical data. The conditions of appearance of the threshold reflect actual situations in developed countries. Richards' curve avoids the appearance of the threshold with empirical data.
Modeling mortality at old age with time-varying parameters
Several models of old age mortality with time-varying parameters are expressed in a single formula. In these models, the existence of an age threshold above which mortality increases over time and below which mortality decreases over time is problematic. The conditions of appearance of this threshold are expressed and shown on logistic and exponential models with empirical data. The conditions of appearance of the threshold reflect actual situations in developed countries. Richards' curve avoids the appearance of the threshold with empirical data.
Modeling mortality at old age with time-varying parameters
Zimmermann, Pavel (author)
2017
Article (Journal)
English
Local classification TIB:
770/1905/3175
BKL:
42.11
Biomathematik, Biokybernetik
/
74.80
Demographie
/
31.73
Mathematische Statistik
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