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Titlebook: Applied Mathematical Demography; Nathan Keyfitz Textbook 19852nd edition Springer-Verlag New York 1985 REFA.death.demography.development.f

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樓主: Osteopenia
51#
發(fā)表于 2025-3-30 08:50:47 | 只看該作者
https://doi.org/10.1007/978-3-030-76043-4table theory are the subject of the present chapter. Chapter 10 will show how a regime of mortality and fertility implies kinship numbers. Stable theory can be generalized in various directions by modifying the assumption of a fixed regime, as will be seen in Chapter 9.
52#
發(fā)表于 2025-3-30 16:10:51 | 只看該作者
1431-875X for instance, the effect of a lowered death rate on the proportion of old people or the effect of abortions on the birth rate. The answers that it reaches are n978-1-4757-1879-9Series ISSN 1431-875X Series E-ISSN 2197-4136
53#
發(fā)表于 2025-3-30 17:06:18 | 只看該作者
The Life Table,duals, but for populations it is a deterministic model of mortality and survivorship. That it presents expected values and disregards random variation is contrary to the way nature works and, in particular, oversimplifies demographic mechanisms, yet a rich variety of useful results is based on it. A
54#
發(fā)表于 2025-3-30 21:48:32 | 只看該作者
Mortality Comparisons; The Male-Female Ratio,But male death rates at most ages are at least 50 percent higher than female rates. The ratio of male to female rates, simply averaged over the ages, may show males 80 percent higher; the average with living population as weights may show males 70 percent higher; with deaths as weights males may be
55#
發(fā)表于 2025-3-31 03:53:17 | 只看該作者
56#
發(fā)表于 2025-3-31 07:37:32 | 只看該作者
Birth and the Intrinsic Rate of Natural Increase,clusions were reached by noting how the stable age distribution was affected by ., treated as an arbitrarily disposable parameter. Now we regard rate . not as arbitrary but as determined by the joint action of birth and death rates.
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