1. Stone, K. E.（1995）：Impact of Wal-Mart stores and other mass merchandisers in Iowa, 1983-1993, Economic Development Review, 13, 60-99.
2. Franklin, A. W.（2001）：The impact of Wal-Mart supercenters on supermarket concentration in U.S. metropolitan areas, Agribusiness, 17, 105-114
3. Stone, K. E., Artz, G. and Myles, A.（2002）：The Economic Impact of Wal-Mart Supercenters on Existing Businesses in Mississippi. Mississippi State University Extension Service Report.
4. Chung, C., and S. L. Myers Jr（1999） Do the poor pay more for food：An analysis of grocery store availability and food price disparities. The Journal of Consumer Affairs, 33, 276-96