【摘要】 本文将2000～2013年中国工业企业数据库和海关统计数据库进行匹配,从企业层面研究了进口产品种类对企业生产率的影响。研究结果表明:进口产品种类增加有利于提高企业生产率;进一步的异质性检验发现,加工贸易进口产品种类增加、高技术行业进口产品种类增加、中间品进口产品种类增加、西部地区进口产品种类增加对企业生产率的促进作用更显著;此外,机制检验表明,进口产品种类通过竞争效应和技术溢出效应提高企业生产率。据此,政府应继续推进进口贸易便利化,营造良好的营商环境,促进企业扩大进口产品种类;同时,企业应加大人力资本投入,增强企业对进口产品种类技术外溢的消化吸收能力和竞争意识。更多还原

【Abstract】 The paper studies the impact of imported variety on enterprise productivity based on China’s industrial enterprise data and customs transaction data during 2000-2013.The results show that the imported variety has a positive impact on enterprises productivity.Further heterogeneity analysis shows the imported variety from intermediate products,imported variety from the western region,imported variety from processing trade,and imported variety from high technology industries have a more significant impact on enterprise productivity.Additionally,the mechanism test shows that competitive effects and technology spillover effects are channel through which the imported variety promotes the enterprise productivity.Therefore,the government should continue to promote the import trade facilitation,create a good business environment,and encourage enterprises to expand the imported variety.Enterprises should increase human capital investment,enhance their ability to absorb technology spillovers from imported varieties and competition awareness.更多还原