Qi Luo;Kai Chen;Xuesi Zhang;Xiaogang He;

• 1:School of Statistics and Data Science
• 2: Jiangxi University of Finance and Economics
• 3:School of Economics
• 4: Yunnan University of Finance and Economics

Abstract：

As a new trade format carrying “Internet + foreign trade”, the importance of cross-border e-commerce in improving supply chain efficiency and ensuring supply chain security has become increasingly prominent. Taking the policy of cross-border e-commerce comprehensive pilot area as a quasi-natural experiment, using the data of listed companies in China from 2008 to 2021 and a staggered difference-in-difference approach, this paper systematically examines the impact of cross-border e-commerce development on supply chain efficiency from the perspective of enterprise inventory.The research finds that the development of cross-border e-commerce significantly increases the inventory turnover rate of enterprises, thereby improving the efficiency of the supply chain. This conclusion is still valid after considering a series of factors that may interfere with the estimation results. The main channels for the reform of cross-border e-commerce to improve the efficiency of the supply chain include helping enterprises expand overseas markets, reducing demand uncertainty and promoting the integration of manufacturing and services industries. In addition, the construction of regional information infrastructure and the improvement of the institutional environment have further strengthened the role of cross-border e-commerce reform in the improvement of supply chain efficiency. Under the current background of China's vigorous construction of cross-border e-commerce comprehensive pilot zones, the research conclusions of this paper provide policy implications for how to enhance the modernization level of the supply chain.

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Foundation: 国家社会科学基金(项目编号：23AZD085);; 江西省高校人文社会科学研究项目(项目编号：JJ24203);; 江西省教育厅科学技术研究项目(项目编号：GJJ2400405);; 江西省社会科学基金项目(项目编号：24YJ39)的资助

Authors: Qi Luo;Kai Chen;Xuesi Zhang;Xiaogang He;

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• (1)数据来源:《海关总署2021年全年进出口情况新闻发布会》[EB/OL],2021-01-14,https://www.scio.gov.cn/xwfbh/xwbfbh/wqfbh/47673/47714/wz47716/Document/1718896/1718896.htm。
• (2)数据来源:《海关总署2022年全年进出口情况新闻发布会》[EB/OL],2023-01-13,https://www.scio.gov.cn/xwfbh/xwbfbh/wqfbh/49421/49446/wz49449/Document/1735262/1735262.htm。
• (3)数据来源:杭州设跨境电商“小目标”建“网上丝绸之路”枢纽[EB/OL],2017-04-19,https://www.hangzhou.gov.cn/art/2017/4/19/art_1551501_29268775.html。
• (4)由于第三批跨境电商综试区试点城市中的义乌市为县级市,因此本文将其剔除;由于第四、第五批跨境电商综试区设立时间与本文样本末期(2021年)相距较近,无法提供合理的时间窗口,因此本文将第四、第五批试点城市内的企业样本予以剔除。经过上述整理,本文最终获得2008—2021年212个地级以上城市共计3284家上市企业非平衡面板数据。其中,设立跨境电商综试区的城市有34个,剩余178个城市未设立综试区。