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中美两国研发经费支出的协整分析
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摘要
近年来,中国的国内生产总值和财政收入高速增长。中国政府为了实施依托科技和创新的战略,在研发经费支出上的投入也快速增加。本文利用协整检验的方法对1991年-2013年中国的国内生产总值、财政收入和研发经费支出的时间序列数据进行研究。分析结果表明国内生产总值与研发经费支出存在长期均衡关系,财政收入与研发经费支出也存在长期均衡关系。然后本文进一步运用ARIMA模型对中国和美国在可见未来的研发经费支出进行预测。结果表明中国的研发经费支出一直会跟美国有相当大的差距,且难以赶上美国。接下来,本文分析中国研发环境的下列三个缺陷:科研经费使用效率低,创新人力资源与经费不匹配,以及科技成果评价体系不科学。最后,文章给出改善中国研发环境的建议。
In recent years,Gross Domestic Product(GDP) and financial revenue of China grow rapidly.In order to implement the strategy of relying on science and technology innovation,the Chinese government has invested increasingly more in R&D expenditure.In this paper,the cointegration test approach is employed to analyze the time series data composed by the GDP,financial revenue and G&D expenditure of China.The results show that GDP and R&D expenditure in China has a long-term equilibrium relationship,while financial revenue and R&D expenditure in China also has a long-term equilibrium relationship.Afterwards,ARIMA model is utilized to forecast the R&D expenditure of China and US in the foreseeable future.The results suggest that there will be a relatively large gap between the R&D expenditure of China and that of US in the long run,and it is extremely difficult for China to catch up with US in R&D expenditure.Then,three flaws of the R&D environment in China are elabotatedas follows:(1) Inefficient usage of scientific research funds,(2) Mismatching of innovative human resources and scientific research funding,(3) Scientific research achievement evaluation system is unreasonable.Finally,recommendations are proposed for the improvement of R&D environment in China.
引文
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