跨境电商发展对我国区域经济增长的影响

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中图分类号：F279.33 文献标识码：A doi：10.3969/j.issn.1672-2272.202506072

Abstract：Against the backdrop of the era of digital transformation in trade，cross-border e-commerce has become a new driving force for economic growth.Based on the panel data of provincial-level regions in China from 2Ol3 to 2O23，this study conducts an empirical analysis by constructinga two-way fixedeffect model，a mediating effect model，and a threshold effect model.The research shows that the development of cross-border e-commerce has a significant promoting effect on China’s regional economic growth，and this effect is more prominent in municipalities directly under the Central Government and western regions.Further research finds that supply chain digitalization plays an intermediary role in the process of cross-border e-commerce affecting regional economic growth.Inaddition，there is a double threshold effect of scientificand technological research and development intensity in the impact of cross-border e-commerce on regional economic growth -with the threshold values being 7.O69 5 and 7. 5142respectively.As the intensity of regional scientific and technological research and development increases from weak to strong，the impact of cross-border e-commerce on regional economic growth shows anon-linear characteristic of "first promotion，then inhibition".Therefore，this study deply analyzes the internal mechanism and non-linear characteristics of cross-border e-commerce driving regional economic growth，aiming to provide a reference for governments at all levels to formulate differentiated policies and fully release the economic efficiency of cross-border e-commerce.

Key Words：Cross-Border E-Commerce；Economic Growth；R&D Intensity； Supply Chain Digitalization

0 引言

随着数字经济时代的到来，跨境电商已成为拉动区域经济增长的新引擎与重塑全球贸易格局的新力量。（剩余11441字）