WTF?? The chart
you posted indicates the average corporate tax rate hit a historic low in
2011.
You think Bush was still president??
Wall Street Journal
Corporate income-tax receipts typically fall during recessions, and they declined sharply after the 2008 financial crisis, which wiped out big swaths of profits across the huge financial sector. But U.S. profits have rebounded sharply in recent quarters, while tax receipts have stayed low.
So where is the money? There are a lot of moving pieces, budget watchers say, but one view shared inside Washington is that a temporary tax break—supported by both political parties—is a key reason.
This tax break, known as "bonus depreciation," has allowed companies to write off investments in goods like industrial equipment, manufacturing machinery and computers in the year in which they're bought rather than over time. The White House estimates the subsidy has saved companies roughly $55 billion in corporate income taxes over each of the past two years.
[...]
The tax break shrinks for calendar 2012. Now, companies can write off only half of their investments,
but the White House has proposed expanding it to again cover 100%. The White House estimated this would cost roughly $5 billion, as it only accelerates deductions businesses would otherwise have taken over time. Business groups have supported the tax break, and some are now lobbying Congress to extend it through 2012.
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Bonus Depreciation Increased and Extended Under 2010 Tax Act
Businesses typically are allowed to deduct the costs of capital expenditures over time according to various depreciation schedules. In 2008, 2009 and 2010 businesses were allowed to deduct 50 percent of the cost of eligible property (generally, tangible personal property with recovery periods of 20 years or less) in the year of acquisition.
The recently enacted Tax Relief Act of 2010 extends the first-year 50% write-off for eligible property placed in service during 2011 and 2012 (and in 2013 for aircraft and certain long-term-production-period property),
and provides a new first-year 100% write off for certain property placed in service in 2011.