Measurement and Enhancement Strategies of Low-Carbon Economic Synergy: Evidence from Jiangsu Province, China

Against the backdrop of global advancement toward carbon peaking and carbon neutrality goals, and green economic transition, the coordinated evolution of low-carbon development and socioeconomic growth has emerged as a core issue for high-quality regional development. Taking Jiangsu Province as the research subject, this paper establishes a synergy evaluation system for the low-carbon economic composite system covering resources, energy, economy and society based on panel data from 2009 to 2024. The Z-score standardization method, order parameter method and geometric mean integration method are adopted to measure and analyze the synergy degrees of the low-carbon development subsystem, socioeconomic development subsystem and composite system. The results reveal that Jiangsu has achieved remarkable progress in low-carbon economic construction. The green and low-carbon industrial transformation keeps advancing, the quality of economic growth improves steadily, and people’s well-being is continuously enhanced. Low-carbon development and socioeconomic growth maintain a coordinated state with improved orderliness of the low-carbon subsystem. This study optimizes the measurement framework of low-carbon economic synergy, and its findings can provide empirical evidence and policy implications for promoting low-carbon economic development in Jiangsu Province.