Referencias george washington

http://www.nytimes.com/2010/11/13/your-money/taxes/13wealth.html?scp=8&sq=taxes&st=csehttp://www.nytimes.com/2010/11/16/opinion/16hubbard.html?scp=10&sq=taxes&st=cse

http://economix.blogs.nytimes.com/2010/11/24/the-other-taxes-who-pays-them/?scp=2&sq=taxes&st=csehttp://www.nytimes.com/2010/12/01/us/politics/01obama.html?_r=1&hp

http://www.nytimes.com/2010/12/01/business/economy/01leonhardt.html?hphttp://voices.washingtonpost.com/economy-watch/index.htmlhttp://voices.washingtonpost.com/ezra-klein/2010/11/the_tax_cuts_vs_the_pay_freeze.html

http://www.washingtontimes.com/news/2010/nov/30/obama-hill-leaders-meet-taxes-nuke-treaty/http://www.washingtontimes.com/news/2010/nov/30/holiday-spirit-hinges-on-taxes-jobless-benefits/

http://www.washingtontimes.com/news/2010/nov/30/obama-gop-leaders-seek-truce-on-tax-cuts/http://scholar.google.com.pr/scholar?start=20&q=impuestos+politicas+publicas+estados+unidos&hl=es&as_sdt=2000&as_ylo=2007http://www.allbusiness.com/company-activities-management/management-risk-management/13638507-1.htmlhttp://www.google.com/books?hl=es&lr=&id=Qc_IV4LmmhAC&oi=fnd&pg=PR9&dq=taxes+us&ots=Yvw9z5wrsX&sig=JL3gSXhQjWP_iFo_VRNkE3p9rZI#v=onepage&q=taxes%20us&f=falsehttp://onlinelibrary.wiley.com/doi/10.1111/j.1468-5965.2007.00778.x/full

http://www.imf.org/external/pubs/ft/fandd/spa/2010/09/pdf/kotlikoff.pdf