"We investigate how the length of the net operating loss carryback period affects corporate liquidity and marginal tax rates. We estimate that extending the carryback period from two to five years, as recently proposed in Presiden Obama's budget blueprint, would provide $19 ($34) billion of...

"We take a first look at limitations on the use of energy-related tax credits contained in the General Business Credit (GBC) due to limitations within the regular corporate income tax as well as the AMT. Between 2000 and 2005, firms were unable to use all energy-related tax credits due to GBC...

U.S.-based multinational corporations are calling for a tax holiday that would allow them to repatriate their foreign earnings at little tax cost. With over $1 trillion in earnings trapped offshore and untaxed by the U.S., these corporations characterize the proposed repatriation holiday as a...

This work undertakes a comprehensive analysis of the U.S. state experience under formulary apportionment of corporate income. While formulary apportionment eliminates the possibility of shifting income across states through accounting strategies that manipulate where income is booked, it may...

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 studies how globalization affects corporate tax planning strategies of U.S. manufacturing firms. Using U.S. granting China Permanent Normal Trade Relations (PNTR) as a quasi-natural experiment, we find a significant increase in tax avoidance for firms facing higher exposure to Chinese...

Rapid oil price increases frequently bring calls for special oil industry taxes. This paper uses new well-level production data and price variation induced by federal oil taxes and price controls to estimate how taxes affect production. Theory suggests temporary taxes create strong incentives...

Recent data on corporate tax losses presents a puzzle this paper attempts to explain: the ratio of losses to positive income was much higher around the recession of 2001 than in earlier recessions, even those of greater severity. Using a comprehensive sample of U.S. corporation tax returns for...