Tax Structure and Welfare
研究了美国税法中折旧扣除和劳动与资本收入差别征税的福利影响，发现加速折旧政策能提高长期福利和产出，而差别税率的好处很小。
This article examines the welfare implications of some basic structural features of the U.S. tax code. The authors consider the tax deductibility of depreciation and the practice of taxing labor income differently than capital income. Their results show that long-run welfare and output can be improved by a policy of accelerated depreciation, whereby the depreciation rate for tax purposes exceeds the rate of economic depreciation. This policy increases the tax on pure profits relative to other types of capital income. The authors also find that the benefits of applying separate tax rates to labor and capital income tend to be minimal over a range of typical depreciation tax policies.