贾文星等《Does urban shrinkage impact energy efficiency?: Evidence from Chinese counties》在期刊《Renewable Energy》Volume238, 2025发表。
《Renewable Energy》是能源与可持续技术领域顶级期刊（SCI，JCR分区：Q1，中科院TOP期刊，影响因子9.1），期刊长期聚焦可再生能源技术创新与工程应用。
Does urban shrinkage impact energy efficiency?: Evidence from Chinese counties
Abstract: Some cities in China are facing challenges due to population loss while also attempting to address energy conservation and emissions reduction. Although urban shrinkage can relieve pressure from energy consumption demands, such as water, electricity and gas, does it improve urban energy efficiency? This study attempts to answer this question. Based on Point of Interest (POI) big data and Global Human Settlement Layer (GHSL) raster data, this study identifies urban shrinkage from the coupling perspective of administrative and economic boundaries. It also examines the impact of urban shrinkage on energy efficiency. The results suggest that Chinese counties’ overall energy efficiency is experiencing a four-stage decline-rise-decline-rise trend, and the urban shrinkage of Chinese counties exists in three major areas: the Northeast, the Southwest, and the Centre. Compared to non-shrinking cities, urban shrinkage has a significant negative impact on improving energy efficiency. This impact exhibits significant heterogeneity. Specifically, compared with mature resource cities and cities in Western China, regenerative cities, non-resource cities and cities in Central China have less impact on energy efficiency. In addition, urban shrinkage may impede energy efficiency improvement by hindering industrial structure transformation and upgrading, energy-saving technology innovation, and financial development. Clarifying the relationship between urban shrinkage and energy efficiency is helpful for shrinking cities to change their development strategies, which is critical for sustainable development.
摘要：当前中国部分城市面临着节能减排和人口减少的双重挑战，虽然城市收缩可以缓解水、电、气等能源消费需求的压力，但它是否提高了城市能源效率？本研究试图回答这个问题。本文基于兴趣点大数据和GHSL栅格数据，尝试从行政与经济边界耦合的角度识别城市收缩，并探讨了城市收缩对能源效率的影响。结果表明，我国县域能源效率总体呈现出四阶段的“下降-上升-下降-上升”趋势，县域城市收缩主要存在于东北、西南和中部三大区域。与不收缩的城市相比，城市收缩对改善能源效率具有显著的负面影响。但这种影响表现出明显的异质性。与资源型成熟城市和西部城市相比，再生型、非资源型和中部地区城市收缩对能源效率的影响较小。此外，城市收缩还可能通过阻碍产业结构转型升级、节能技术创新和金融发展等方式影响能源效率的提高。明确城市收缩与能源效率之间的关系，有助于城市转变发展战略，对可持续发展至关重要。
来源：Jia, W., Lee, H., Xie, P., Li, H., Yang, Y., & Zhao, X. (2025). Does urban shrinkage impact energy efficiency?: Evidence from Chinese counties. Renewable Energy, 238, 121878.
Doi:https://doi.org/10.1016/j.renene.2024.121878
