美国新经济对传统理论的挑战

近年美国新经济现象，给经济学理论提出了许多需要研究的新问题。美国新经济使高增长率、低失业率、低通货膨胀率三者之间的兼容度增大，传统经济理论中的菲利蒲斯曲线失灵；“新经济”具有边际效益递增的特点，传统经济理论中的边际效益递减规律不再成为起主导作用的规律；“新经济”时代，知识成为推动经济增长最主要的动力，知识作为一个独立的内生变量进入增长模式；“新经济”使经济周期性特点不显著，经济周期性波动微波化；“新经济”对完善国民经济统计工作也提出了一些新问题。

Challenge of American New Economy to traditional theory

Recent years American New Economy brought forward many new problems to economics theory. American New Economy made the compatibility larger among high increasing ratio,low unemployment ratio and low inflation ratio, and it made the Phillips Curve of traditional economy theory noneffective; New Economy has the characteristic of increasing magrginal benefit, and the law of descending magrginal benefit of traditional theory was no longer the leading law; in New Economy times,knowledge became the most important force which advanced the economy and the knowledge which being an absolute inside variable has entered the increasing mode;New Economy made the characteristic of economy periodicity inapparently and made the wave of economy peridicity microwaved; New Economy brought forward some new problems on perfecting stat.of national economy.