| Luo Changyuan,Zhang Zexin.The Complementarity between Export and R&D and Its Impact on Productivity:Evidence from List Companies in China[J].The Journal of quantitative and technical economics,2020,(7):134-154 |
| 出口和研发活动的互补性及其对生产率的影响 |
| The Complementarity between Export and R&D and Its Impact on Productivity:Evidence from List Companies in China |
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| DOI： |
| 中文关键词: 出口 研发 互补性 |
| 英文关键词: Export R&D; Complementarity |
| 基金项目:本文获得国家“万人计划”（青年拔尖人才）、国家自然科学基金面上项目（71873037）、教育部人文社会科学重点研究基地重大项目（16JJD790010）的资助。 |
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| 中文摘要: |
| 研究目标：出口和研发活动的互补性及其对生产率的影响。研究方法：借助2009~2015年中国上市企业数据展开实证研究。针对第一个维度的互补性，进行Probit和双变量Probit估计。针对第二个维度的互补性，进行多元线性回归，再做倾向得分匹配-倍差法分析。研究发现：与既不出口也不研发相比，出口（研发）的企业更有可能在下一期研发（出口）。同时出口和研发的企业，最有可能在下一期继续出口或者研发。与既不出口也不研发相比，出口或研发的企业的生产率都更高，而同时出口和研发的企业的生产率是最高的。对于研发企业而言，参与出口能显著地提升生产率。对于非研发企业来说，参与出口则没有类似的效应。研究创新：用多种方法考察了出口和研发在两个维度的互补性，用倾向得分匹配-倍差法缓解了内生性。研究价值：促进出口和研发的良性互动，使其成为生产率的推动性因素，助力整个经济走上高质量发展道路。 |
| 英文摘要: |
| Research Objectives: This paper focuses on the complementarity of export and R&D and its impact on the productivity of enterprises.Research Methods: We use the data of Chinese Listed Companies in 2009~2015 to conduct empirical research. For the complementarity of export and R&D in the first dimension, we carry out empirical investigation by using Probit and bivariate Probit. For the complementarity in the second dimension, we conduct a multiple linear regression analysis. Considering the endogeneity, we also do the PSM-DID analysis.Research Findings: Compared with the enterprises that have neither export nor R&D, the enterprises engaged in export are more likely to engage in R&D in the next period, and the enterprises engaged in R&D are more likely to engage in export in the next period. Enterprises that are engaged in both export and R&D are most likely to continue to engage in export or R&D in the next period. Compared with the enterprises that have neither export nor R&D, the productivity of enterprises that have export only or R&D only is higher, while the productivity of enterprises that have both export and R&D is the highest. The results show that for the enterprises that have already engaged in R&D, the participation in export can significantly improve the productivity of enterprises. For enterprises not engaged in R&D, there is no such effect if participating in export.Research Innovations: The complementarity of export and R&D in two dimensions is examined by many methods, and endogeneity is alleviated by PSM-DID.Research Value: Promote the positive interaction between export and R & D, make it a driving factor of productivity, and help the whole economy to embark on a high-quality development path. |
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