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DOI: 10.1177/0739456X06298820 © 2007 Association of Collegiate Schools of Planning Exploring Changes in Income Clustering and Centralization during the 1990sUrban Affairs and Planning at Virginia Tech, Virginia Center for Housing Research This article employs a new "spatial ordering index" to describe and explain changes in the degree of income clustering and centralization within U.S. metropolitan areas during the 1990s. The results suggest that while the spatial pattern of household income became more decentralized and less clustered during the 1990s, the patterns established as of 1990 were highly persistent over the decade. Factors associated with metropolitan area size and growth affected changes in both the degree of centralization and the degree of clustering. Although traditional determinants of suburbanization were associated with increases in income decentralization during the 1990s, densely developed cities with an increase in the percentage of white residents saw increases in income centralization during the decade. Furthermore, changes in the patterns observed were shaped by various policy influences, including the number of Low Income Housing Tax Credit units, urban containment policies, and the degree of local government fragmentation.
Key Words: economic segregation spatial analysis metropolitan governance urban containment growth management
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