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国民经济运行中的需求因素,一直是宏观经济研究的重要内容。需求增长带动生产跟进,并经乘数效应放大,是推动国民经济增长的主要力量,因而消费、投资、出口这三大需求也往往被称为拉动经济增长的“三驾马车”。尤其在世界经济出现产能过剩趋向,全球市场从卖方市场转向买方市场的当今,需求拉动对经济增长的重要作用更不待言。
Demand factors in the operation of the national economy have always been an important part of macroeconomic research. Demand growth drives production follow-up and amplification by the multiplier effect, which is the major force driving the growth of the national economy. Therefore, the three major needs of consumption, investment and export are also often referred to as the “troika” that drives economic growth. Especially in the world economy overcapacity trend, the global market from the seller to the buyer’s market today, the important role of demand-pull on economic growth even more unspeakable.