1. The Aggregate Effects of Health Insurance: Evidence from the Introduction of Medicare;Amy Finkelstein;Quarterly Journal of Economics,2007
2. about 25 percent of el derly individuals had Blue Cross Blue Shield (BCBS) insurance, while about 55 percent had another form of insurance. Finkelstein focuses on the change from BCBS, arguing that other forms of insurance did not offer meaningful coverage. As documented in great detail by Christy Ford Chapin, strict requirements from the AMA discouraged commercial insurers from participating in the healthcare market. See Finkelstein;The Aggregate Effects of Health Insurance,1966
3. Ensuring America's Health
4. How Do Hospitals Respond to Price Changes?;S Leemore;American Economic Review,2005