A comparison of corporate tax proposals

— A comparison of corporate tax proposals by President Barack Obama, House Ways and Means Committee Chairman Dave Camp, R-Mich., and GOP presidential hopefuls Mitt Romney, Rick Santorum, Newt Gingrich and Ron Paul:

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Corporate income tax rate

Obama: Reduce top tax rate from 35 percent to 28 percent.

Camp: Reduce to 25 percent.

Romney: Reduce to 25 percent.

Santorum: Reduce to 17.5 percent.

Gingrich: Reduce to 12.5 percent.

Paul: Repeal 16th Amendment to the Constitution, stripping Congress of the power to levy income taxes

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Incentives

Obama: Reduce top rate for manufacturers to 25 percent.

Camp: Eliminate unspecified preferences.

Romney: Create temporary investment tax credit, extend write-offs for capital expenditures.

Santorum: Eliminate corporate income tax for manufacturers.

Gingrich: Full write-offs of capital expenditures.

Paul: No specifics.

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International taxes

Obama: Keep U.S. system of worldwide taxation, with an unspecified minimum tax on foreign earnings.

Camp: Exempt 95 percent of foreign earnings from U.S. taxation.

Romney: Transition to territorial system that does not tax foreign profits.

Santorum: Tax foreign profits returned to the U.S. at 5.25 percent; eliminate the tax if the income is invested in plants and equipment.

Paul: Allow foreign profits to be returned to U.S. tax-free.

Gingrich: No specifics.

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Sources: Treasury Department, House Ways and Means Committee, Tax Policy Center, campaign websites.