MetroNation: How U.S. Metropolitan Areas Fuel American Prosperity
Source: Alan Berube, Brookings Institution, November 06, 2007
From the summary:
Despite facing new and unprecedented challenges--economic, environmental, and demographic--America stands in a position of great strength. To achieve economic prosperity that is broadly shared and environmentally sustainable, our nation must leverage the key assets--innovation, human capital, infrastructure, and quality places--that principally concentrate in our major metropolitan areas.