Examines the need to reconsider spatial conceptualizations and categories such as urban-rural and core-periphery in light of two recent trends: migration out of cities and the geographic redistribution of economic activities. Suggests that these trends and related policy issues would be better articulated in a regional or local economy framework.…

Analyzes census tract data to assess residential mobility trends. Net immigration of professionals is found to be more likely in tracts with high proportions of retired households and, especially in tracts close to the cities' central business districts, professional immigration is associated with outmigration of retired households. (Author)

This report measures the amount of black migration from and to the nonmetropolitan parts of the United States south from 1965-70 and 1990-95. It considers trends both within the south and with the rest of the nation. For perspective, comparisons are made with the movement of the non-black population, more than 90 percent of which is white. In the…