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根据异质性企业贸易理论框架,一国出口的增长可以分解为扩展的贸易边际和集约的贸易边际。本文在贸易理论框架的基础上引入创新因素探讨了企业创新与出口边际增长的联系机制,然后采用2001-2009年中国制造业企业的微观数据进行研究表明,创新投入和新产品研发对出口扩展边际的增长具有显著的促进作用,然而却抑制了集约边际的增加。创新与生产率的协同作用有利于增加企业的出口扩展边际,但不利于集约边际的增长。由于扩展边际的增加有助于减小国际市场波动的风险,因此创新可以优化中国企业的出口结构。
According to the theoretical framework of heterogeneous enterprise trade, the growth of a country’s exports can be decomposed into an expanded trade margin and an intensive trade margin. Based on the framework of trade theory, this paper introduces the innovative factors and explores the linkages between the enterprise innovation and the marginal growth of export. Based on the micro-data of Chinese manufacturing enterprises from 2001 to 2009, this study shows that innovation input and R & Growth has a significant role in promoting, but it has inhibited the increase in the intensive marginalization. The synergies between innovation and productivity help to increase the export expansion margins of enterprises, but not conducive to the growth of intensive marginalization. As expansionary marginalization helps to reduce the risk of fluctuations in the international market, innovation can optimize the export structure of Chinese enterprises.