Recent data present a puzzle: the ratio of corporate tax losses to positive income was much higher around 2001 than in earlier recessions. Using a comprehensive 1982-2005 sample of U.S. corporation tax returns, we explore a variety of potential explanations for this surge in tax losses, taking...

This paper considers the impact of the tax treatment of U.S. military contractors. Prior to the early 1980s, taxpayers were permitted to use the completed contract method of accounting to defer taxation of profits earned on long term contracts. Legislation passed in 1982, 1986 and 1987 required...

This paper summarizes the empirical evidence on how defaults impact retirement savings outcomes. After outlining the salient features of the various sources of retirement income in the U.S., the paper presents the empirical evidence on how defaults impact retirement savings outcomes at all...

Since 2006, U.S. households have received more than $18 billion in federal income tax credits for weatherizing their homes, installing solar panels, buying hybrid and electric vehicles, and other "clean energy" investments. We use tax return data to examine the socioeconomic characteristics of...

This paper presents a novel methodology for estimating impacts on domestic supply of oil and natural gas arising from changes in the tax treatment of oil and gas production. It corrects a downward bias when the ratio of aggregate tax expenditures to domestic production is used to measure the...

This paper examines the impact of the 1986 change in U.S. interest allocation rules on the investment and financing decisions of American multinationals. The 1986 change reduced the tax deductibility of the interest expenses of firms with excess foreign tax credits. The resulting increase in the...

This paper explores the effect of recent U.S. tax changes on the R&D activities of American multinational corporations. Prior to 1986, U.S. multinational firms could deduct all of their domestic R&D expenses against their U.S. income for tax purposes. After 1986, some firms could take only a...

This paper describes the current estate and gift tax rules that apply to intergenerational transfers in the United States. It summarizes the incentives for inter vivos giving as a strategy for reducing estate tax liability. It shows that the current level of intergenerational transfers is much...

In 1954, the Internal Revenue Service stipulated that employer contributions to the health insurance plans of their employees were to be excluded from employee taxable income. Today, the tax subsidy is major feature of the U.S. health care market. This paper examines the initial effects of the...

Angel investor tax credits are used globally to spur high-growth entrepreneurship. Exploiting their staggered implementation in 31 U.S. states, we find that they increase angel investment yet have no significant impact on entrepreneurial activity. Two mechanisms explain these results: Crowding...