贸易调整援助相较于美国政府其他的贸易保护措施是否是一个有效的工具一直是一个有争议的问题。将贸易调整援助放入一个带有内生性的关税因素的政策经济模型,得出的结论认为调整援助降低了使决策者实行贸易自由化的压力,减缓了改革的步伐,并在一定条件下可能会减少社会福利。 It has been a controversial issue whether trade adjustment assistance is an effective tool compared to other U.S. government trade protection measures. Put trade adjustment assistance into a policy economic model with endogenous tariff factors, and concluded that adjustment assistance reduces the pressure on policy makers to implement trade liberalization, slows down the pace of reform, and may under certain conditions Will reduce social welfare.