１９７４年，供给学派的代表人物、美国南加利福尼亚商学研究生院教授阿瑟·拉弗（AuthurB．laffer）在一次宴会上，为了说服当时福特总统的白宫助理切尼，使其明白只有通过减税才能让美国摆脱“滞胀”的困境，即兴在餐巾纸上画了一条抛物线，以此描绘税率与税收收入的关系，说 In 1974, AuthurB.laffer, a professor of supply schools and a professor of business at the University of Southern California, told a banquet in order to persuade Ford’s White House aide, Cheney, to understand that only through tax cuts Let the United States get rid of the “stagflation” predicament, impromptu draw a parabola on the napkin, in order to depict the relationship between tax rate and tax revenue, say