Lucas Robert and Phelps Edmund developed this review in their successive researches.Keynesianism started their economic adjustment theory from analyzing the stickiness of nominal wages and prices.

• 他们认为，由于工资和价格刚性的存在，价格对总需求变动的调整是一个渐进的过程，名义冲击能够对经济产生持续的影响。