On July 14, 1978, economist Alan Greenspan testified to the U.S. Finance Committee: "Let us remember that the basic purpose of any tax cut program in today's environment is to reduce the momentum of expenditure growth by restraining the amount of revenue available and trust that there is a political limit to deficit spending."
1978年7月14日，经济学家艾伦·格林斯潘给美国财政委员会的证词：“让我们记住，减税计划，在目前环境下的基本意图，是通过限制可用税收的总额来抑制支出增长的势头，并且希望这将对赤字开支有所政策性限制。