WASHINGTON — A white cloth napkin, now displayed in the National Museum of American History, helped change the course of modern economics. On it, the economist Arthur Laffer in 1974 sketched a curve meant to illustrate his theory that cutting taxes would spur enough economic growth to generate new tax revenue.
More than 40 years after those scribblings, President Trump is reviving the so-called Laffer curve as he announces the broad outlines of a tax overhaul on Wednesday. What the first President George Bush once called “voodoo economics” is back, as Mr. Trump's advisers argue that deep cuts in corporate taxes will ultimately pay for themselves with an explosion of new business and job creation.
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