卡特、里根、老布什、克林顿甚至小布什诸位总统及其支持者创建了当前的体系，税率和起税点不再起到抑制企业的反激励效果。
Presidents Jimmy Carter, Ronald Reagan, George H. W. Bush, Bill Clinton, and even George W. Bush and their supporters created the current system, in which tax rates and eligibility thresholds are not punitive disincentives to enterprise.