摘要
选取2008—2022年沪深A股上市制造业企业作为研究对象,运用多期DID模型实证分析了智能制造试点对于制造业企业投资效率的影响,研究发现智能制造试点对制造业企业投资效率具有显著正向促进作用,该结论经过一系列稳健性检验后依旧成立;进一步分析发现智能制造试点对提升制造业企业投资效率在东部地区和大规模企业中作用更强。研究结论为完善智能制造试点政策推动制造业的高质量发展提供参考。
Selected A-share listed manufacturing enterprises in Shanghai and Shenzhen from 2008 to 2022 as the research object,and used the multi-period DID model to empirically analyse the impact of the smart manufacturing pilot on the investment efficiency of manufacturing enterprises,the study found that the smart manufacturing pilot has a significant positive effect on the investment efficiency of manufacturing enterprises,and the conclusion still holds after a series of robustness tests;Further analyses found that the smart manufacturing pilot to enhance the investment efficiency of manufacturing enterprises in the eastern region and large-scale enterprises in the role of stronger.
作者
王文杰
Wang Wenjie(Shandong Dibiao Intellectual Property Group Co.,Ltd.,Jinan Shandong 250100,China)
出处
《现代工业经济和信息化》
2025年第3期51-53,共3页
Modern Industrial Economy and Informationization
关键词
智能制造试点
制造业企业
投资效率
smart manufacturing pilot
manufacturing enterprises
investment efficiency
