Introduction / Henry J. Aaron and Joel Slemrod -- The tax shelter battle / Joseph Bankman -- Issues of international tax enforcement / David R. Tillinghast -- Small business and the tax system / Joel Slemrod -- The Turbotax revolution : can technology solve tax complexity? / Austan Goolsbee --...

To what extent is U.S. state tax policy affected by corporate political contributions? The 2010 Supreme Court Citizens United v. Federal Election Commission ruling provides an exogenous shock to corporate campaign spending, allowing corporations to spend on elections in 23 states which...