School of Economics and Management, Qilu Normal University, Jinan, Shandong, China.
School of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China.
PLoS One. 2023 Oct 17;18(10):e0292405. doi: 10.1371/journal.pone.0292405. eCollection 2023.
Achieving high-quality development of the city requires actively promoting coordinated digitalization and low-carbon development. Previous studies have focused on the unidirectional impact of urban digitalization on low-carbonization and there is a lack of research on their interactions. This study uses the generalized spatial three-stage least squares method and the spatial simultaneous equation to investigate the endogenous interactions between urban digitalization and low-carbonization. The properties of the spatiotemporal evolution are then examined using linked coordination degree models, kernel density, and spatial statistical approaches. Finally, using the spatial panel metering model, this study empirically investigates the motivations behind the synergistic advancement of digitalization and low-carbonization. The results show that: (1) There is an endogenous interaction between urban digitalization and low-carbonization and that this interaction pattern is closely linked to geographical proximity. (2) In general, both urban digitalization and low-carbonization have a positive spatial impact and a negative spatial interaction, and their coordination levels have a significant spatial impact. (3) Throughout the research period, the coordination degree of urban digitalization and low carbonization continued to increase, showing a positive spatial correlation and a balanced development trend. (4) Economic development, industrial structure, and human capital accumulation are vital internal drivers of the synergistic advancement of urban digitalization and low carbonization. Government capacities and technological innovations are key external factors that contribute to the synergistic advancement of urban digitalization and low-carbonization. Overall, the paper is essential not only to deepen understanding of the relationship between urban digitalization and low-carbonization but also to formulate policies for their coordinated development.
实现城市的高质量发展需要积极推动数字化和低碳化的协调发展。以往的研究主要关注城市数字化对低碳化的单向影响，而对它们之间的相互作用研究较少。本研究采用广义空间三阶段最小二乘法和空间联立方程，探讨了城市数字化和低碳化之间的内生相互作用。然后，使用关联协调度模型、核密度和空间统计方法来检验时空演变的特性。最后，利用空间面板计量模型，实证研究了数字化和低碳化协同发展的动机。研究结果表明：（1）城市数字化和低碳化之间存在内生相互作用，这种相互作用模式与地理邻近性密切相关；（2）总体而言，城市数字化和低碳化都具有正向的空间影响和负向的空间相互作用，它们的协调水平具有显著的空间影响；（3）在整个研究期间，城市数字化和低碳化的协调度不断提高，呈现出正向的空间相关性和均衡发展的趋势；（4）经济发展、产业结构和人力资本积累是城市数字化和低碳化协同发展的重要内在驱动力，政府能力和技术创新是推动城市数字化和低碳化协同发展的关键外部因素。总的来说，本研究不仅对于深化城市数字化和低碳化之间的关系的理解具有重要意义，而且对于制定它们协调发展的政策也具有重要意义。
