| Florida Monitor: Cost of Public and Private Prisons: Information brief comparing costs of public and private prisons, released by the Florida Office of Program Policy Analysis and Government Accountability. |
| Private and Public Prisons: U.S. General Accounting Office report combining studies from California, Tennessee, Washington, Texas, and New Mexico comparing operational costs and/or quality of service. |
| Private Prisons Succeed: Brief 1996 analysis by the National Center for Policy Analysis based on testimony by Charles W. Thomas in 1995. |
| Privatizing Iowa's Prisons: Policy study published by the Public Interest Institute in January 2003 examines the potential for privatizing the state's prisons. [pdf format] |