Research on the Impact of Digital Economy on the High-Quality Development of Supply Chain in China’s Automotive Manufacturing Industry

At present, the digital economy is developing rapidly worldwide, and the global economic system is undergoing profound changes. As an important pillar of traditional industries, the transformation and upgrading of the automotive manufacturing industry's supply chain have a profound impact on the reshaping of the global industrial chain. Although China's automotive manufacturing industry has significant advantages in terms of the length of the industrial chain and the degree of technological integration, its position in the global value chain still faces many challenges, such as insufficient international competitiveness of domestic brands, lagging core technological innovation capabilities, and the immaturity of the development of the new energy vehicle field. This study is based on the data of A-share automotive manufacturing enterprises from 2009 to 2022. It employs a two-way fixed effects model for empirical analysis, aiming to comprehensively evaluate the mechanism of the digital economy's impact on the automotive manufacturing supply chain in terms of efficiency improvement, cost optimization, technological innovation, and green sustainable development. At the same time, the differences in supply chain development of enterprises with different property rights and scales under the background of the digital economy were also explored. The aim is to provide solid academic support and practical suggestions for the high-quality development of supply chains in China's automotive manufacturing industry in the digital economy era, and thereby enhance the competitiveness and status of China's automotive manufacturing industry in the global industrial chain.