The high corporate tax rate in the U.S. motivates companies to move activities and related income to lower-tax countries

Cf. http://www.bloomberg.com/video/63898300/

Oct. 21 (Bloomberg) -- Google Inc. cut its taxes by $3.1 billion in the last three years using a technique that moves most of its foreign profits through Ireland and the Netherlands to Bermuda. Google’s income shifting helped reduce its overseas tax rate to 2.4 percent, the lowest of the top five U.S. technology companies by market capitalization. Bloomberg's Melissa Long reports. (Source: Bloomberg)

Google 2.4% Rate Shows How $60 Billion Lost to Tax Loopholes.