Green Energy Efficiency Improvement in China: A Study of Innovation and Agglomeration

Researchers at East China Normal University have conducted a comprehensive study on the impact of innovation and productive service industry agglomeration on green energy efficiency in China. The analysis, based on panel data from 273 Chinese prefecture-level cities from 2004 to 2017, found that the agglomeration of producer services promotes the improvement of green energy efficiency, with a positive moderating effect in certain regions and city scales. The study also identified specific areas where specialization has a significant moderating effect, particularly in central and eastern regions and medium and small cities.

Key Takeaways:

• The agglomeration of producer services in China has a positive impact on green energy efficiency, promoting its improvement according to an inverted u-shaped curve.
• The positive moderating effect of innovation and specialized agglomeration on green energy efficiency is significant, while the moderating effect of diversified agglomeration and innovation is not significant.
• The moderating effects differ among cities in different regions, of different scales, and at different levels of agglomeration.
• The study found that specialization has a significant moderating effect in central and eastern regions and medium and small cities.
• The analysis demonstrated the non-linear model used for empirical analysis yielded three significant results: the promotion of green energy efficiency through producer services agglomeration, the moderating effect of innovation and specialized agglomeration, and regional and city scale differences in moderating effects.
• The research concluded that improving the utilization efficiency of green energy is crucial for China to achieve sustainable development through energy conservation and emission reduction.

Statistics:

• Panel data from 273 Chinese prefecture-level cities were analyzed over a period of 13 years (2004-2017).
• The non-linear model used for empirical analysis obtained three significant results.
• The impact of producer services agglomeration on green energy efficiency is at the rising stage of the inverted u-shaped curve.
• The moderating effect of innovation and specialized agglomeration on green energy efficiency is significant, with a coefficient of 0.52.
• The study found a significant difference in moderating effects among cities in different regions, scales, and levels of agglomeration.

Sources:

• NewsRx. Researchers from East China Normal University Report New Studies and Findings in the Area of Energy and Environment (Green Energy Efficiency Improvement Under the Interaction Between Innovation and Agglomeration of Producer Services In China). Ecology, Environment & Conservation. July 18, 2025; p 522.
• Green Energy Efficiency Improvement Under the Interaction Between Innovation and Agglomeration of Producer Services In China. Energy & Environment, 2025.