Abstract
The age-distribution in a population is more or less variable. Its possible fluctuations are not, however, unlimited. Certain age-distributions will practically never occur; and even if we were by arbitrary interference to impress some extremely unusual form upon the age-distribution of an isolated population, in time the “irregularities” would no doubt become smoothed over. It seems therefore that there must be a limiting “stable” type about which the actual distribution varies, and towards which it tends to return if through any agency disturbed therefrom. It was shown on a former occasion1 how to calculate the “fixed” age-distribution, which, if once established, will (under constant conditions) maintain itself.
Philosophical Magazine, Series 6, Volume 21: 435–438.
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References
F.R. Sharpe and Alfred J. Lotka (1911) Philosophical Magazine, Series 6, Volume 21: 435–438.
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© 1977 Springer-Verlag Berlin · Heidelberg
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Sharpe, F.R., Lotka, A.J. (1977). A Problem in Age-Distribution. In: Mathematical Demography. Biomathematics, vol 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81046-6_13
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DOI: https://doi.org/10.1007/978-3-642-81046-6_13
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