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A generalised life-expectancy model for a population. (English) Zbl 1131.62320

Summary: In a recent paper, it was shown that the life-expectancy behaviour for homogeneous and non-homogeneous populations differs markedly for moderately high and low ages. One therefore has two curves for each of these regions and the problem is how to construct a single life-expectancy curve which blends these two curves together in a satisfactory way. This note offers a simple mathematical and analytical model which is useful in estimating an acceptable life expectancy under all severities of life situation. A simple numerical example is given to illustrate the application of the method.

MSC:

62N02 Estimation in survival analysis and censored data
91D20 Mathematical geography and demography
62N99 Survival analysis and censored data
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