In this paper we investigate the extent to which the U.S. income tax system of 2004 collects tax on capital income, and the implications of extending tax-preferred savings accounts. We do so by applying a methodology that estimates how much tax is collected on capital income by calculating how...

The empirical literature that seeks to measure the effective tax rate on new investment offers a striking paradox. On the one hand, summary measures of the effective tax rate on new investment are normally quite high. On the other hand, the amount of revenue actually collected from taxing...