"the Congressional Research Service, a nonpartisan group run by the Library of Congress. In mid-September CRS released a paper that analyzed economic growth and changes to the top marginal tax rates, both for personal income and capital gains, from 1945-2010. “The reduction in the top tax rates appears to be uncorrelated with saving, investment and productivity growth,” it concludes. “The top tax rates appear to have little or no relation to the size of the pie."
— Low Capital Gains Taxes May Not Help the Economy - Businessweek
