As the rugby scrum that is the Republican Presidential race heads to South Carolina, the players are wrestling on conservative turf. So it's a good time to wrestle ourselves with an issue that has become a conservative signature -- taxes.
The good news is that all of the GOP candidates want to make the Bush tax cuts permanent, and each is talking about some kind of new tax cut or reform. Rather than burying Reaganomics, as many in the media want to do, these candidates are trying to update it for our current economic challenges.
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The latest bidder is Rudy Giuliani, who last week offered his plan to cut taxes by $6.3 trillion over 10 years. The former New York City mayor wants to cut the corporate income tax rate to 25% from 35%, bringing that rate close to the average of our major trading partners. Mr. Giuliani would chop the capital gains rate to 10% from 15%, and he'd allow capital gains to be indexed for inflation so investors no longer paid tax on phantom gains. He'd also index the Alternative Minimum Tax (AMT) for inflation, and on top of all this he wants to create a one-page, 11-line tax return that would eliminate most deductions and tax credits and install three lower rates of 10%, 15% and 30%.
Filers would have the option of choosing this "fast form" or the current code with its 13,000 pages of rules. Mr. Giuliani would retain the mortgage and charitable deductions on his alternative tax form, no doubt because he fears their political power. In this sense, his plan is inferior to Fred Thompson's optional flat tax (two rates: 10% and 25%), which is the simplest and best reform in the field. (See "Flat Tax Fred," Nov. 28.) But Mr. Giuliani's ideas are a big improvement that would boost the economy.
Messrs. Thompson and Giuliani are also the best in the field at explaining how taxes affect an economy. They understand incentives and aren't cowed by Democratic arguments that tax cuts favor only "the rich" and produce deficits. Asked at a recent debate whether tax cuts lead to an increase in tax revenue, Mr. Giuliani responded that some tax cuts do and some don't. He's exactly right: Tax credits and rebates, the latest fad, lack the bang for the buck that marginal rate cuts offer.
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