By Andrei Rogers
This publication indicates the effectiveness of multiregional demography for learning the spatial dynamics of migration and inhabitants redistribution. It examines vital questions in demographic research and exhibits how the strategies of multiregional research may end up in solutions that usually contradict traditional knowledge.
The publication reconsiders conclusions reached within the literature concerning numerous basic good judgment demographic questions in migration and inhabitants redistribution, together with: Is it generally migration or “aging-in-place” that has been using Florida’s aged inhabitants progress? Do the aged go back “home” after retirement greater than the non-elderly do? Does longer lifestyles bring about longer ill-health? Do easy inhabitants projection versions outperform complicated ones?
For every one demographic query it reconsiders, the ebook starts off with an easy empirical numerical instance and with it illustrates how a uniregional specification can bias findings to prefer a specific, and doubtless wrong, end. It then is going directly to express how a multiregional research can higher remove darkness from the dynamics that underlie the saw inhabitants totals and bring about a extra trained end.
Offering insights into the effectiveness of multiregional demography, this booklet serves as a invaluable source for college students and researchers trying to find a greater strategy to resolution questions in demographic research and inhabitants dynamics.
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Additional resources for Applied Multiregional Demography: Migration and Population Redistribution
This seems paradoxical to economic demographers because the aggregate data on migration are expected to reflect opportunities that motivate migration. , those with attractive opportunities) should draw a sizable numbers of inmigrants, while at the same time retaining many of their own residents. Less attractive regions should exhibit the reverse pattern. Consequently, the expected correlation between inmigration and outmigration rates should be negative; yet it turns out to be positive. Why? Several explanations have been put forward in the literature.
The natural increase rate of the rural population is a half. The above disaggregated model produces a projected evolution of the national population that is: 48, 64, 82, …. Notice that the corresponding consolidated uniregional model for the national total [that is, P(1) = 43 P(0)] leads to a higher, not lower, projected set of totals: 48, 64, 85 13,…. Hence, Keyfitz’s (1977, p. 3 The Uniregional Fallacy and Bias 17 model. The corresponding uniregional models may be obtained by a compensated decomposition.
Vaupel, J. , & Yashin, A. I. (1985). Heterogeneity’s ruses: Some surprising effects of selection on population dynamics. The American Statistician, 39(3), 179–185. Chapter 3 The Proximate Sources of Regional Elderly Population Growth: Mostly Migration or Mostly Aging-in-Place? Abstract Changes in the elderly population of a region arise from net migration and net aging-in-place (the number of persons becoming elderly minus elderly deaths). This chapter shows that the relative contributions of these two sources of change vary over time, as the numbers of elderly outmigrants, inmigrants, deaths, and people aging into the elderly population fluctuate.
Applied Multiregional Demography: Migration and Population Redistribution by Andrei Rogers