It's been widely reported that General Electric paid no US taxes last year, despite over $14 billion in profits - and over $5 billion profits reported in the US. GE actually got a $3.2 billion
tax credit from the US government.
David Cay Johnston has an interesting column at Reuters about the distribution of GE's tax payments over the last decade that raises some questions about the impact of corporate tax rates on the company's activities. The US has offered GE lower effective tax rates than it's foreign operations, but GE has been reporting more of its profits overseas, where it's been paying higher taxes. (The fact that GE pays much lower taxes than the supposed US corporate tax rate is also instructive.) This trend of their reported profits shifting overseas where the corporate rates are effectively higher for GE counters the "conventional wisdom" about how taxes drive the investment decisions of a major global business: