Intrinsic Rates and Stable Age-Specific Mortality (and Migration) Rates of Growth Matrix Operator in Single Region (Multiregion) Population Model

Ledent, J. (1977). Intrinsic Rates and Stable Age-Specific Mortality (and Migration) Rates of Growth Matrix Operator in Single Region (Multiregion) Population Model. IIASA Research Memorandum. IIASA, Laxenburg, Austria: RM-77-037

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Abstract

This paper attempts to characterize the schedule of demographic events embodied in the stable state of single-region and multiregion models of population projection. The focus is on the age-specific mortality (migration) rates that reach, at stability, limiting values slightly different from their initial ones. Formulas giving the stable age-specific death (and migration) rates are provided as well as an indication of the discrepancy between initial and stable rates. Also, a direct calculation method for the computation of intrinsic rates relating to each demographic event is developed. Finally, in the multiregion case, the stable migration rates are compared to those derived earlier by Stone.

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