 With 60,000+ pages now in the tax code, the impact of these decisions both on individual companies and on the economy at large is doubtless significant.In an open letter to the President, the Congress, and the American people, eighty economists, including Nobel Laureate Vernon L. Smith, stated that the FairTax would boost the United States economy.According to the National Bureau of Economic Research and Americans For Fair Taxation, GDP would increase almost 10.5% in the year after the FairTax goes into effect.