Rethinking Cities: Toward Shared Prosperity. Edward Glaeser, October 1, 2013, Paper. "The great transition from farm to city is filled with economic, social, and political promise. Cities are the product of a triad of forces. This economic premise explores how the three forces of spatial transformation- physical infrastructure, human interactions, and public policy- come together and shape cities. But too many cities in Sub-Saharan Africa continue to suffer from the oldest urban scourge- unclean water. Crime and murder turn many Latin American neighborhoods into places of terror rather than opportunity. Limited transport options can turn daily..."