Urban areas are noted for their lack of quality grocery stores: http://www.google.com/search?aq=0&oq=lack+of+grocery+stores&sourceid=chrome&ie=UTF-8&q=lack+of+g

Urban areas are noted for their lack of quality grocery stores: http://www.google.com/search?aq=0&oq=lack+of+grocery+stores&sourceid=chrome&ie=UTF-8&q=lack+of+grocery+stores+in+urban+areas http://www.google.com/search?aq=0&oq=lack+of+grocery+sto... When you factor in travel costs and time, the price inequality between cheap fast food and good quality food is exacerbated.