【摘要】 采用公司前5名供应商采购占比和前5名客户销售占比作为供应商集中度与客户集中度,根据生物医药和信息技术行业A股上市公司2012-2018年的数据,实证检验供应链集中度对企业创新投入的影响,以及市场化程度的调节作用。研究发现:供应商集中度对企业创新投入具有显著的负向作用,而客户集中度对企业创新投入则具有显著的正向作用;高市场化程度均增加了供应商集中度和客户集中度对企业创新投入的影响。更多还原

【Abstract】 In the paper, we manually collected the top five of suppliers purchase proportion and top five of customer’s sale proportion as supplier concentration and customer concentration. The data of A-share listed companies in the biomedical and information technology industries from 2012 to 2018 were used to test the influence of supply chain concentration on enterprise R&D and the moderating effect of marketization. The study found that supplier concentration has a significant negative effect on enterprise R&D, while customer concentration has a significant positive effect on enterprise R&D, high degree of marketization increases the influence of supplier concentration and customer concentration on enterprise R&D.更多还原