1. Adams, W. J., & Yellen, J. L. (1976). Commodity bundling and the burden of monopoly. The Quarterly Journal of Economics, 90(3), 475–498.
2. American Medical Association. (2016). Overview of the RBRVS. Retrieved from http://www.ama-assn.org/ama/pub/physician-resources/solutions-managing-your-practice/coding-billing-insurance/medicare/the-resource-based-relative-value-scale/overview-of-rbrvs.page?
3. Baicker, K., & Levy, H. (2008). Employer health insurance mandates and the risk of unemployment. Risk Management and Insurance Review, 11(1), 109–132.
4. Blue Cross Blue Shield Association. (2016). Blue facts of the blue cross and blue shield association and blue system. Retrieved from http://www.bcbs.com/healthcare-news/press-center/blue-facts.html
5. Bluhm, W. F. (2007). Individual health insurance. Winsted, CT: ACTEX Publications.