4.7 Article

Threshold effect of industrial agglomeration on carbon productivity in China's Yangtze River economic belt: a perspective of technical resourcing

Journal

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 43, Pages 64704-64720

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-20310-1

Keywords

Industrial aggregation; Carbon productivity; Threshold effect; Global Malmquist-Luenberger; Technical Resourcing

Funding

  1. Humanities and Social Sciences Foundation of Ministry of Education of China [21YJC790070]
  2. Fundamental Research Funds for the Central Universities, Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX21_0449]

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This research examines the impact of industrial agglomeration on carbon productivity in the Yangtze River Economic Belt and identifies the optimal scale of industrial agglomeration. The findings suggest that controlling pollution-intensive industrial agglomeration within a reasonable range contributes to carbon productivity, while green-based industries only enhance carbon productivity when agglomeration reaches a certain value. Additionally, the study highlights the importance of investing in emerging technologies that use clean energy as a production condition for regions with high agglomeration of green industries.
The Yangtze River Economic Belt's industrial layout is characterized by industrial agglomeration. However, industrial agglomeration, while promoting economic development, has an uncertain impact on the ecological environment. This research studies the threshold impacts of pollution-intensive industrial agglomeration and green-based industrial agglomeration on the carbon productivity of the Yangtze River Economic Belt through the panel threshold regression models to find the optimal industrial agglomeration scale. The results of the optimal industrial agglomeration scale show that under the existing economic conditions, only if pollution-intensive industrial agglomeration is controlled within a reasonable range can it contribute to carbon productivity. Green-based industries can only enhance carbon productivity when the scale of agglomeration reaches a certain value. In addition, this paper also points out that along the Yangtze River Economic Belt, regions with high agglomeration of green industries should consider investing more technological resources in emerging technologies that use clean energy as a production condition. In contrast, regions with high agglomeration of pollution-intensive industries should focus on improving existing technologies in which traditional energy sources are used as production conditions to increased carbon productivity.

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