Puerto Rico operated as a tax haven under U.S. Internal Revenue Code (IRC) Section 936. Firms in the pharmaceutical industry accounted for approximately 50% of tax credits awarded and 20% of employment under the program. The U.S. Congress eliminated the tax exemption program in 2006, creating a...

In this paper, we use an exogenous variation in tax regulations to analyze the impact of bonus depreciation programs on business investment. To promote economic convergence of Eastern and Western Germany after reunification, bonus depreciation tax incentives were granted for investments in...