Results 131 to 140 of about 149 (147)
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Population Density and Infrastructure Development
Review of Development Economics, 1997A model is proposed with the following features: (1) there is a publicly accessible transport technology, which is more advanced when there is more specialized labor in it; (2) a high population density facilitates the development of the transport technology; (3) an improved transport technology facilitates a finer division of labor, which in turn ...
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Community and Population Density
1981In Chapter 11 population structure was discussed in relation to reproduction. Reproduction is a major factor in changes in density, which in turn influence reproductive rates; this is one of the best known density-dependent phenomena. The density of a population reflects the interaction of communal physical and biotic elements.
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Population Density and Teen Pregnancy
Obstetrics & Gynecology, 2004The relationship between population density and the percentage of teens who electively terminate their pregnancy was the focus of this study.The United States population density was determined for each state and each district of the American College of Obstetricians and Gynecologists (ACOG) from the 2000 US Census.
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Mental Health and Population Density
The Journal of Psychology, 1973Abstract A comparison of mental illness and narcotic use in rural and urban areas indicates a greater incidence in areas with high population density. A hypothesis explored is that prior experiences condition some to be sanguine and others melancholic.
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