The U.S. income tax has long been recognized as a hybrid of an income and consumption tax, with elements that do not fit naturally into either pure system. The precise nature of this hybrid has important policy implications for, among other things, understanding the impact of moving closer to a...

Since the average tax rate on corporate capital income is very high, economists often conclude that taxes have caused a substantial fall in corporate investment, a movement of capital into noncorporate uses, and a fall in personal savings. The combined efficiency costs of these distortions are...