1. Sawbones, Cowboys, and Cheats: Is Your Doctor, Mechanic, or Taxi-Driver Cheating You? Economics Can Help;See Winand Emons;RAND Journal of Economics,1997
2. Regional variations in medical spending or large expenditures on low-or zero-value care, by themselves, would not be a public policy concern. Such expenditures are a public policy concern, however, when purchased with tax dollars (as in Medicare) or when government encourages their prevalence in the private sector. On government encouraging the consumption of low-value medical care in the private sector, see Michael F. Cannon;Elliott S Fisher;The Implications of Regional Variations in Medicare Spending. Part 1: The Content, Quality, and Accessibility of Care,2003