http://www.brookings.edu/blogs/health360/posts/2015/10/05-medicare-challenges-ginsburg-rivlin

http://www.brookings.edu/research/reports/2015/09/6-health-care-facts
The Hamilton Project offers six economic facts that highlight continuing challenges and complexities in health care and health insurance markets on which the policy debate should focus.


But most existing payments grandfathered in during negotiations