知识产权保护、出口技术含量与中国企业出口市场多元化  

Intellectual Property Rights Protection,Export Technology Content and Export Market Diversification of Chinese Firms

作　　者：沈国兵[1] 徐源晗 沈彬朝 SHEN Guobing;XU Yuanhan;SEHN Binchao

机构地区：[1]复旦大学世界经济研究所 [2]复旦大学经济学院

出　　处：《世界经济研究》2023年第8期15-30,M0002,共17页World Economy Studies

基　　金：国家社会科学基金重大项目“中国重点产业链供应链韧性和安全水平评估与对策研究”(项目编号:23ZDA032);教育部人文社会科学重点研究基地重大项目“双循环格局下中国推动产业链供应链多元化研究”(项目编号:22JJD790013)的资助。

摘　　要：基于Melitz(2003)模型,文章将知识产权保护引入企业生产成本函数,并考虑内生化的企业出口技术含量选择进行拓展,揭示出知识产权保护对企业出口市场多元化的影响及内在机制。使用省级知识产权实际保护强度与企业层面相匹配的数据,文章研究表明:加强省级知识产权保护对中国企业出口市场多元化具有促进作用,并且这种促进作用对于一般贸易企业、私营企业和东部地区企业更大。渠道检验证实,加强省级知识产权保护通过激励企业提高出口技术含量,促进了企业出口市场多元化。区分出口市场来看,加强省级知识产权保护对企业拓展北方国家市场多元化的促进作用比南方国家更大。据此,文章提出加强知识产权保护有助于中国企业分散出口市场目的地,提升了企业应对外部经贸环境不确定性风险的能力。Based on Melitz's(2003)model,we introduce intellectual property rights protection(IPRP)into the production cost function of firms and consider the endogenous choice of firms'export technology content to expand it,and then reveal the impact of IPRP on the export market diversification of firms and its endogenous mechanism.Using the data matching the actual protection intensity of provincial intellectual property rights with the firm level,we show that the strengthening of provincial IPRP has a promotion effect on export market diversification of Chinese firms,and this promotion effect is significantly greater for ordinary trade firms,private firms and firms in the Eastern region.The results of channel test confirm that the strengthening of provincial IPRP promotes the diversification of firms'export market by stimulating firms to improve their export technology content.Distinguishing between different export markets,we find that the strengthening of provincial IPRP has a greater promoting effect on firms'expansion of market diversification in northern countries compared to southern countries.Therefore,the strengthening of IPRP will help Chinese firms diversify their export market destinations and improve their ability to cope with the uncertain risks of the external economic and trade environment.

关 键 词：知识产权保护 出口技术含量 中国企业 出口市场多元化 

分 类 号：F752.62[经济管理—国际贸易] F204[经济管理—产业经济]