Economics of Ageing

Dieter Bös
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Dieter Bös: University of Bonn

Chapter 8 in Economics in a Changing World, 1993, pp 140-152 from Palgrave Macmillan

Abstract: Abstract Demographic and economic research in population ageing may apply quite different definitions of ageing.A typical demographic definition like that found in Billeter (1954) characterizes the age structure of a population by D 1 : = P 0 , 14 − P 50 , + P 15 , 49 $${D_1}: = \frac{{{P_{0,\,14}} - {P_{50,\, + }}}}{{{P_{15,\,49}}}}$$ where Pa, b is the number of people between a and b years of age and Pa,+ is the number of people aged a years and older. This measure differentiates age groups according to their reproductive abilities. The future development of the population is expressed in this measure by subtracting the old non-productive from the young non-productive part of the population. If the percentage of people over 50 is high, then D 1 is negative. An aged population is therefore characterized by a high negative value of D1, and the demographic problems become worse if this negative value increases in absolute terms (ageing).

Date: 1993
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DOI: 10.1007/978-1-349-22988-8_8

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