April 1 may be a day for jokes, but on Sunday Japan ceded to the United States a distinction that is no laughing matter: the highest combined statutory corporate tax rate (state, local, and federal) in the developed world.

John Kerry is right that there was a mysterious 13th member at the table who caused the supercommittee to fail. But it wasn’t Norquist. It was Occupy Wall Street.

Approximately 140 million federal tax returns were filed in the weeks and months leading up to April 18 this year. We know from past years that over one-third of taxpayers will file "non-taxable returns," meaning that they will not owe any federal income tax.

Kevin Hassett and Aparna Mathur note that high corporate tax rates reduce U.S. competitiveness and help explain why U.S. companies are moving plants abroad.

As in Chicago, President Obama seems to live in a cocoon in which Republicans are largely absent, offscreen actors that no one pays any attention to.

Does a pension plan that takes more investment risk become better funded? Both the current accounting standards and the proposed revisions answer yes, while economic theory and real-world financial markets say no. Until and unless this central question is answered correctly, both the size of pension liabilities and the steps that could address them will be misunderstood.

All eyes were on AEI in April when House Budget Committee Chairman Paul Ryan (R-Wisc.) came to AEI to unveil his plan to cut more than $4 trillion from the federal deficit.

The individual alternative minimum tax (AMT) is a tax system parallel to the regular income tax: taxpayers are required to pay taxes under the AMT whenever it yields a larger liability than the regular tax. Under current law, more than 20 million taxpayers, including many middle-class households, will pay the...