1. Aaron, H., Atlman, N., Apfel, K., Blum, J., DeLong, J. B., Diamond, P., et al. (2008). A balanced approach to restoring fiscal responsibility. July. Retrieved March 6, 2010 from http://www.thefiscaltimes.com/~/media/Fiscal-Times/Research-Center/Budget-Impact/Think-Tanks/2008/07/01/BudgetBrookingsCBPPBalancedApproachtoRestoringFiscalResponsibility07012008pdf.ashx
2. The economic crisis and the fiscal crisis: 2009 and beyond;Auerbach;Tax Notes,2009
3. Board of Trustees (2009). Annual report of the Board of Trustees of the Federal Old-Age and Survivors Insurance and Federal Disbility Insurance Trust Funds. Washington, DC: US Social Security Administration.
4. The decline in saving: Evidence from household surveys;Bosworth;Brookings papers on economic activity,1991
5. Brookings Institution/Heritage Foundation. (2008). Taking back our fiscal future. April. Retrieved March 6, 2010 from http://www.brookings.edu/~/media/Files/rc/papers/2008/04_fiscal_future/04_fiscal_future.pdf.