互联网对中国制造业进口企业创新的影响

佟家栋1 杨俊1

(1.南开大学经济学院)

【摘要】本文使用中国进口制造业企业数据,考察了互联网对企业创新的微观影响和作用机制。研究发现,互联网的使用显著提升了我国制造业进口企业的创新水平,且该作用效果在大规模、高效率、民营、出口、资本和技术密集型的东部企业中更为显著。进一步地,互联网主要通过提升进口制造业企业的进口产品质量来促进企业创新;进口产品种类和进口规模的作用效果并不突出。最后,互联网在促进进口制造业企业独立创新的同时,也显著地促进了企业协同创新水平的提高。本文的研究对于数字经济时代制造业企业竞争力和制造业质量的提升具有一定的现实意义。

【关键词】 互联网; 进口制造业企业; 创新; 倾向得分匹配;

【DOI】

【基金资助】 国家社会科学基金重大项目“经济全球化调整期的国际保护主义发展新趋势及我国的应对策略研究”(12&ZD087) 教育部人文社会科学重点研究基地重大项目“国际经贸规则重构对中国参与亚太区域合作和全球经济治理的影响及对策研究”(17JJD790013)

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    脚注

    [1]. (1)识别网站的核心字段:“www”“com”“cn”“net”“http”“con”“//”;识别电子邮箱的核心字段:“@”。 [^Back]

    [2]. (1)删除工业总产值、企业销售额、固定资产、固定资产净值和从业人员年平均人数中任何一项存在缺漏值、零值或负值的企业样本;删除2004-2007年应付工资、应付福利费、工业增加值和中间品投入中任何一项存在缺漏值或负值的企业样本;删除雇员人数小于8的企业样本;删除营业利润存在缺漏值的企业样本;删除1949年之前成立的企业样本,删除企业年龄小于0的企业样本。另外,按照Freenstra等(2014)[39]的做法,为遵循一般会计准则,对以下情况的数据进行了处理:剔除流动资产超过固定资产、总固定资产超过总资产的企业;剔除出口交货值大于销售收入的企业;剔除本年折旧大于累积折旧的企业。 [^Back]

    [3]. (1)限于篇幅,完整回归结果备索。 [^Back]

    [4]. (1)该数据库包含我国上市公司、非上市公司和不同地区的专利申请和授权情况,不仅考虑了不同主体申请或授权的专利数量、专利类型,还包括了企业独立申请、获得专利以及与其他主体联合申请、获得专利的情况。我们将数据库中企业名称指标与本文样本中的企业名称进行匹配,并对专利数据进行了对数处理。 [^Back]

    [5]. (2)值得说明的是,经过匹配之后,本文的样本量大幅下降,因此本文在本部分扩大了PSM最近邻匹配的比例,将原来1∶5的匹配比例放松至1∶7。此外,我们将匹配比例进一步扩大至1∶8、1∶9和1∶10,得到的回归结果并未发生明显变化,可见回归结果具备一定的稳健性。 [^Back]

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This Article

ISSN:1002-4670

CN: 11-1692/F

Vol , No. 11, Pages 1-15

November 2019

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Article Outline

摘要

  • 引言
  • 一、文献回顾
  • 二、研究方法、模型和数据
  • 三、基准估计结果及分析
  • 四、异质性检验
  • 五、进口质量、进口种类与进口规模的作用
  • 六、互联网与企业协同创新
  • 七、结论
  • 脚注

    参考文献