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要素投入和技术进步是经济增长重要的动力源。文章基于C-D生产函数,以湖北、湖南、山西三省为例,分析了要素投入与技术进步对中部三省经济增长的贡献。发现资本对经济增长的贡献最大,依然是中部三省经济增长的主要动力;其次是劳动投入,而技术进步的贡献度最低。在中部三省中,湖北因其科教资源的优势,技术进步的贡献大于其他两省。因此,加快科技创新,促进技术进步是加快中部三省经济增长的迫切要求。
Input of factors and technological progress are important driving forces for economic growth. Based on the C-D production function and taking the provinces of Hubei, Hunan and Shanxi as examples, this paper analyzes the contributions of factor inputs and technological advances to the economic growth of the three central provinces. It is found that capital contributes the most to economic growth and remains the main driving force for economic growth in the three central provinces of China. The second is labor input, while the least contribution is from technological progress. Among the three central provinces, Hubei has made greater contribution to technological progress than other two provinces because of its advantages in science and education. Therefore, accelerating scientific and technological innovation and promoting technological progress are urgent requirements for speeding up the economic growth in the three central provinces.