Can’t Have Your Cake and Eat It Too? The Impact of Digital Infrastructure Construction on Urban Ecological Welfare Performance—A Quasi-Natural Experiment Based on the “Broadband China” Strategy

Song Yu, Dong Liu and Jianzhong Gao ()
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Song Yu: School of Economics and Management, Northwest A&F University, Xianyang 712100, China
Dong Liu: School of Economics and Management, Northwest A&F University, Xianyang 712100, China
Jianzhong Gao: School of Economics and Management, Northwest A&F University, Xianyang 712100, China

Land, 2024, vol. 13, issue 12, 1-19

Abstract: Based on the panel data of 283 prefecture-level cities in China from 2010 to 2021, this paper takes the pilot policy of “Broadband China” as a natural experiment to evaluate the impact of digital infrastructure construction on urban ecological welfare performance and its mechanism by using a progressive difference–difference model. The results show that China’s digital infrastructure construction will significantly reduce the performance of urban ecological welfare. Through the analysis of input and output, it is found that the construction of digital infrastructure can significantly reduce resource consumption and increase welfare output, especially economic welfare, but at the level of environmental pollution, it will significantly increase the discharge of industrial wastewater, which may be the main reason for the negative effect of digital infrastructure construction. Through the group analysis, it is found that the overall negative impact of digital infrastructure construction on ecological welfare performance may be caused by the ecologically fragile western region and the unreasonable industrial structure. Through the adjustment model, it is found that innovation investment can positively regulate the negative impact of digital infrastructure on ecological welfare performance. The grey model (GM) is further used to forecast the data for 2022–2025, and it is found that while the negative impact of digital infrastructure is decreasing, it is still significant. This study provides empirical evidence for accurately understanding the effect and mechanism of digital infrastructure construction on ecological welfare performance.

Keywords: digital infrastructure; ecological welfare performance; Broadband China (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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