The Impact of Digital Economy Development on Carbon Emission Efficiency in the Yangtze River Delta Region: The Threshold Effect Based on Industrial Agglomeration

Abstract

Abstract: In the context of different types of industrial agglomeration, exploring the impact of the development of the digital economy on carbon emission efficiency in the Yangtze River Delta region holds crucial theoretical and practical significance. Based on the city panel data in the Yangtze River Delta region from 2011 to 2021, and taking the specialized industry agglomeration and diversified industry agglomeration as threshold variables, this paper constructs a systematic generalized moment estimation model and a dynamic threshold model to conduct an in-depth investigation into the impact of digital economy development on carbon emission efficiency in the Yangtze River Delta region. The findings show that the development of the digital economy in the Yangtze River Delta region exerts a promoting effect on enhancing carbon emission efficiency. However, the promoting effect significantly varies under different types of industrial agglomeration. The impact of digital economy development on carbon emission efficiency in the Yangtze River Delta region has a single threshold effect under specialized industrial agglomeration, that is, when the level of specialized industrial agglomeration is low, the development of digital economy has a negative impact on carbon emission efficiency. When the concentration level of specialized industries crosses the threshold value, the digital economy development has a positive impact on carbon emission efficiency. The impact of digital economy development on carbon emission efficiency in the Yangtze River Delta region has a dual threshold effect under diversified industrial agglomeration, that is, when the level of diversified industrial agglomeration is lower than the first threshold value, the development of digital economy inhibits the improvement of carbon emission efficiency; when the level of diversified industrial agglomeration is higher than the first threshold value but lower than the second threshold value, the role of digital economy development in suppressing the improvement of carbon emission efficiency is weakened. When the level of diversified industrial agglomeration exceeds the second threshold value, the development of the digital economy can promote the improvement of carbon emission efficiency. Therefore, the governments in the Yangtze River Delta region should increase their efforts in developing the digital economy based on the actual situation, plan the scale of regional specialization and diversified industrial agglomeration reasonably, and better utilize the digital economy to improve carbon emission efficiency.

Key words: digital economy development, carbon emission efficiency, Yangtze River Delta region, industrial agglomeration, threshold effect

CLC Number:

F49
X321

PENG Wen-bin, SU Xin-yi. The Impact of Digital Economy Development on Carbon Emission Efficiency in the Yangtze River Delta Region: The Threshold Effect Based on Industrial Agglomeration[J]. Contemporary Finance & Economics, 2024, 0(12): 126-139.

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