Today the United States may be on the cusp of changing from a cost-unconscious health care system to one that seeks value. The consequences of adopting a value-based approach to coverage have not been well studied; however, several broad strands of the health literature suggest that spending could be reduced by as much as 30 percent without adversely affecting health. (November 2007)
Health Affairs
2007
Garber AM, Goldman D and Jena AB
http://content.healthaffairs.org/content/26/6/1545.full