Daniel J. Mitchell
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The silly debate about the “Buffett Rule” is really an argument about the extent to which there should be more double taxation of income that is saved and invested.

Politicians conveniently forget that dividends and capital gains get hit by the corporate income tax. And since America now has the developed world’s highest corporate income tax rate, it’s adding insult to injury to tax the income again. Actually, it’s adding injury to injury!

No wonder Ernst and Young found that the United States has a very anti-competitive system for taxing dividends and capital gains. (perhaps it’s time to copy the clever British campaign against punitive double taxation)

If you believe in fairness, the right capital gains tax rate is zero. John Goodman of the National Center for Policy Analysis, has a good explanation.

Income tax time is an appropriate moment to go to the heart of President Obama’s complaint about the taxes Warren Buffett and other rich people pay, or don’t pay. What the president is really complaining about is that the tax rate on capital gains is too low. But there is a more basic question to be asked: why tax capital gains at all?

That’s a very good question, because a capital gain isn’t income. It’s an asset that has increased in value. But the tax only applies on the gain if you sell the asset.

But why does an asset, such as shares of stock, rise in value? According to finance research, asset prices rise in value when there’s an expectation that there will be a greater after-tax stream of future income. But that income will be taxed (at least once!) when it materializes, so why tax it before it even happens? John hits the nail on the head.

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Daniel J. Mitchell

Daniel J. Mitchell is a top expert on tax reform and supply-side tax policy at the Cato Institute.