Government attacks on abusive tax shelters often assume one of two forms. On the one hand, the Executive Branch brings actions that rest, in part, on broad judicial doctrines. One such doctrine, for example, requires that potentially abusive transactions demonstrate economic substance. On the...

There has been a lot of discussion recently regarding the macroeconomic consequences of a distortionary taxation system. However the way this distortionary taxation scheme or instrument is modeled in macroeconomic analysis, as well as the ability of these models to capture the effects implied by...