Causes of urban sprawl in the United States : auto reliance as compared to natural evolution, flight from blight, and local revenue reliance
By: WASSMER, Robert W
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ArticlePublisher: Hoboken, NJ : Wiley Periodicals, Summer 2008Journal of Policy Analysis and Management 27, 3, p. 536-555Abstract: This paper describes a statistical study of the contribution of theories previously offered by economists to explain differences in the degree of urban decentralization in the U.S. The focus is on a relative comparison of the influence of auto reliance. A regression analysis reveals that a 10 percent reduction in the percentage of households owning one or more autos would reduce the square mile size of an urban area by only 0.5 percent and raise its population density by only 0.7 percent. Factors falling under the categories of natural evolution and flight from blight exert a far greater magnitude of influence. For instance, a 10 percent reduction in per capita income would reduce the square mile size of an urban area by 11.4 percent and raise its population density by 10.1 percent, while a 10 percent decrease in the percentage central place(s) population poor would reduce the square mile size of an urban area by 2.6 percent and raise its population density by 1.7 percent. A significant increase in urban decentralization will require more than just reduced auto reliance. © 2008 by the Association for Public Policy Analysis and Management
This paper describes a statistical study of the contribution of theories previously offered by economists to explain differences in the degree of urban decentralization in the U.S. The focus is on a relative comparison of the influence of auto reliance. A regression analysis reveals that a 10 percent reduction in the percentage of households owning one or more autos would reduce the square mile size of an urban area by only 0.5 percent and raise its population density by only 0.7 percent. Factors falling under the categories of natural evolution and flight from blight exert a far greater magnitude of influence. For instance, a 10 percent reduction in per capita income would reduce the square mile size of an urban area by 11.4 percent and raise its population density by 10.1 percent, while a 10 percent decrease in the percentage central place(s) population poor would reduce the square mile size of an urban area by 2.6 percent and raise its population density by 1.7 percent. A significant increase in urban decentralization will require more than just reduced auto reliance. © 2008 by the Association for Public Policy Analysis and Management
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