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影响经济增长的关键因素主要有有效需求、科技创新、经济结构和资本要素的投入,其中科技创新受国家及企业的研发投入影响,经济结构是过去累计投资的结果,投资本身也会产生一部分现在的有效需求,并且会形成未来的供给;并且投资的主体将享有未来收益,影响未来的有效需求。因此,可以在某种程度上说投资决定着经济增长的模式,影响经济增长的速度和质量。
The key factors affecting economic growth are mainly the effective demand, technological innovation, economic structure and investment in capital elements. Scientific and technological innovation is affected by the R & D investment of the state and enterprises. The economic structure is the result of accumulated investment in the past, and the investment itself will also generate a part of the present Of the effective demand, and will form the future supply; and the main body of investment will enjoy the future benefits, affect the effective demand of the future. Therefore, to a certain extent, investment can determine the mode of economic growth and affect the speed and quality of economic growth.