After the Keynes Revolution, a capitalist country began to interfere national economy at large-scale, the west countries has developed from free-compete market economy to modern market economy with state macro-control, main macro-control means are economic plan, optimal fiscal and monetary policies. 凯恩斯革命后,资本主义国家开始对国民经济进行大规模干预,西方国家从自由竞争的市场经济发展到有国家宏观调控的现代市场经济,宏观调控的主要手段有经济计划、财政货币政策。