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基于增长理论的分析框架,从要素投入和技术溢出两个角度出发,本文把信息化对经济增长的作用界定为增长效应和效率效应,继而探讨了两种效应对经济作用的机制与联系。在利用2001～2005年的面板数据进行经验分析后,本文发现,中国信息化发展对经济增长的作用是积极的,但是对于经济增长技术效率的影响并不明显;无论是作为要素投入的因素,还是作为效率影响因素,区域信息化的差异都能解释不同地区之间经济差距;相对于信息化要素投入的增长效应,信息化的技术外溢更能反映信息化在经济中的重要作用。本文的政策含义在于,推进信息化建设不仅要加强信息产业的发展,发挥信息产业在国民经济中的带动作用,而且重在发挥信息化在经济中的技术溢出和资源配置作用,以此来提升经济发展的质量。
Based on the analysis framework of growth theory, from the perspectives of factor input and technology spillover, this paper defines the effect of informatization on economic growth as the growth effect and efficiency effect, and then explores the mechanism and relationship between the two effects on the economy. After empirical analysis of the panel data from 2001 to 2005, this paper finds that the development of informatization in China plays a positive role in economic growth, but the impact on technical efficiency of economic growth is not obvious. Whether it is the factor of factor input, Or as the influencing factors of efficiency, the differences of regional informatization can explain the economic disparity between different regions. Compared with the growth effect of informative factors, the technological outflow of informatization can better reflect the important role of informatization in the economy. The policy implication of this article is that promoting information construction not only needs to strengthen the development of the information industry and give play to the leading role of the information industry in the national economy, but also focuses on giving full play to the technological spillover and resource allocation of information technology in the economy so as to enhance The quality of economic development.