1OECD. OECD Health Data 2009: Statistics and Indicators for 30 Countries[EB/OL]. OECD, http://www.oecd.org/document/30/0,3343, en_2649_34631_12968734_1_1_1 _37407, 00.html.
2OECD. OECD Health Data 2009: How dose the United States Compare[EB/OL]. OECD, http://www.oecd.org/document730/0,3343,en2649_34631_12968734_1_1_1_37407,00.html.
3L. Clemans-Cope, B. Garrett. Changes in Employer-Sponsored Health Insurance Sponsorship, Eligibility, and Participation: 2001 to 2005[R]. Kaiser Commission on Medicaid and the Uninsured, No. 7599,2007.
4J. Gruber. Covering the uninsured in the U.S.[R]. NBER Working Paper, No. 15758,2008.
5C. Schoen, S. Collins, J. Kriss, M. Doty. How Many are underinsured?Trends Among U.S. Adults,2003 and 2007[J], Health Affairs, 2008,27(4) : 298-309.
6Mark Pearson. Disparities in health expenditure across OECD countries: Why does the United States spend so much more than other countries?[R]. OECD Written Statement to Senate Special Committee on Aging, 2009-09-30.
7David Carey, Bradley Herring, Patrick Lenain. Health Care Reform in the US[R]. Economics Department Working Paper, No. 665,2009.
