This paper presents a version of the monocentric city model that incorporates heterogeneous commuting speeds by introducing radial commuting highways. This model implies that metropolitan area population spreads out along new highways, which are positively valued by residents. Simulations of conservative specifications of the model imply that each additional highway ray causes about a 10 percen...

This paper analyzes the link between rising city crime rates and urban  ight. Each additional reported crime is associated with a roughly one-person decline in city population. Almost all of the crime-related population decline is attributable to increased out-migration rather than a decrease in new arrivals. Households that leave the city because of crime are much more likely to remain within...

This paper describes differences in the impact of the Economic Structural Adjustment Policy (ESAP) on Zimbabwe’s rural and urban areas through the views of recent migrants to Harare. Although the outcomes of ESAP have been more acutely felt in the city than in the countryside, rural populations have also suffered from increases in the prices of basic commodities and in public services fees. Ret...

This paper examines the residential location and school choice responses to the desegregation of large urban public school districts. We decompose the well documented decline in white public enrollment following desegregation into migration to suburban districts and increased private school enrollment, and find that migration was the more prevalent response. Desegregation caused black public en...

According to the American Academy of Family Physicians (AAFP), the percentage of family physicians accepting new Medicare patients declined from 84.1% in 2000 to 76.1% in 2003 (Trude & Ginsburg 2002). That decline coincided with projected annual decreases in Medicare physician payment announced in March 2002 and March 2003. The decline in the percentage of family physicians accepting new Medica...

Long run developments such as income growth and urban sprawl lead one to expect a continuous decline of the contribution of non-motorised transport modes to the performance of transport systems. In terms of the total number of trips, non-motorised transport modes have retained high shares, however. The potential of nonmotorised transport modes to contribute to the urban quality of life is incre...

BACKGROUND More than 50% of American adolescents and adults report having used illicit drugs in their lifetime. We examined the association of lifetime opiate and cocaine use with reduced kidney function, albuminuria and rapid kidney function decline among urban-dwelling adults. METHODS Our prospective cohort included 2,286 Healthy Aging in Neighborhoods of Diversity across the Life Span stud...

The focus of this paper is on substantive aspects of fertility and mortality, and their implications for future population trends in North Africa. There is convincing evidence that high fertility has been maintained for a considerable time and that a decline has begun in these countries. This decline is not uniformly the same in each country. Most of it is in urban areas, while fertility in rur...

These two books, from different urban series published by the University of Pennsylvania Press, offer contrasting perspectives on the deindustrialization of America’s twentieth-century manufacturing centers. In Design After Decline, Brent Ryan focuses on the efforts of Philadelphia and Detroit to rebuild after decades of population loss and economic decline. He places both cities in the broader...