Senior Fellow Eugene Steuerle explains that while tax reform might entail useful simplification of the tax code and the removal of many special tax breaks, it also appeals to many because of the low rate contained in a number of flat tax proposals. The size of the tax rate, however, has only a little to do with the flatness of the tax rate schedule. For anyone interested in flat taxes, a little bit of arithmetic will go a long way in determining just what types of rates are really possible.