In short, the White House sees a bad trade-off, one that won’t pass the political smell test.
The truest test of good tax reform should not be its purity (such as a single-rate income or sales tax) or its absolute simplicity (though simplicity does matter). Rather, the biggest test should be the impact of tax-code changes on after-tax incentives to work and invest, incentives that will determine the course of future economic growth.
The tax-reform panel does make a number of pro-growth suggestions, such as full cash expensing for business investment and higher ceilings for savings-account participation. The panel also proposes territorial, rather than worldwide, corporate taxation, and would keep investment taxes on capital gains and dividends at a low 15 percent and in some cases drop them lower. These initiatives would all lower the cost of capital and boost economic growth.
However, the tax panel insists on abolishing the alternative minimum tax (AMT), which in the world of static scoring would dig a $1.3 trillion revenue hole. In effect, real income-tax reduction has fallen into that hole, where it may be stuck for a very long time.
One option of the panel’s tax plan would flip the top income-tax rate to 30 percent from 35 percent. That means individuals will keep 70 cents on the extra dollar earned rather than 65 cents, a tepid 7.7 percent increase in after-tax reward. Compare this to the Reagan tax reform of 1986, which took the top personal rate down to 28 percent from 70 percent. Back then, people hard at work suddenly kept 72 cents of each marginal dollar -- a 44 percent incentive reward.
Of course, the Reagan reforms produced a quantum jump in economic growth while at the same time reducing inflation, in effect setting the American economy on a new course of prosperity which has spanned twenty-five years. In the post-WWII period, only the JFK tax cuts, which lowered the top personal rate from 91 to 70 percent, are comparable to the Reagan effort.
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