This study analyzed the specific conditions that influence changes in a region's manufacturing employment and offers an explanation for the decentralization and deindustrialization of urban centers. The primary focus of this study is Chicago, but my analysis also includes Milwaukee, St. Louis, Kansas City, and Indianapolis manufacturing employment. The goals of urban economic development policies are varied and many times complex, but a common objective is the reduction of unemployment. A large amount of earlier research examines the general effects of urban deindustrialization on earnings...