4.6 Article

Exploration of Coupling Effects in the Digital Economy and Eco-Economic System Resilience in Urban Areas: Case Study of the Beijing-Tianjin-Hebei Urban Agglomeration

Journal

SUSTAINABILITY
Volume 15, Issue 9, Pages -

Publisher

MDPI
DOI: 10.3390/su15097258

Keywords

digital economy; resilience of eco-economic system; coupling coordination; spatio-temporal evolution characteristics; spatial effect

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Exploring the interaction and coupling effects within the digital economy and eco-economic system resilience in urban agglomeration areas is beneficial for promoting sustainable urban development. This study analyzes the coupling coordination and development system using the JJJ urban agglomeration as a case study. The results show an overall upward trend in the digital economic index and eco-economic system resilience index, with Beijing and Tianjin demonstrating better coordination and development levels compared to Hebei Province. The spatial pattern of the system reveals a core development pattern with Beijing and Tianjin, and spatial spillovers and diffusion effects are evident. The findings provide theoretical support for improving ecological environment quality and green sustainable economic efficiency in urban agglomeration, as well as decision-making reference for regional synergistic development strategies and spatial integration patterns.
Exploring the interaction and coupling effects within the digital economy and eco-economic system resilience in urban agglomeration areas is conducive to promoting high-quality sustainable urban development. Based on the coupling effect perspective, we construct a coupling coordination and development system with multiple elements, information, and interaction flow. The JJJ urban agglomeration from 2010 to 2019 was used as the study sample. The spatiotemporal differences and spatial effects of the coupled coordination were evaluated by combining the tools of combined weight model, coupled coordination model, nuclear density estimation, and exploratory spatial data analysis. The main results can be summarized as follows. (1) From 2010 to 2019, the digital economic index and eco-economic system resilience index of JJJ urban agglomeration maintained an upward trend, and the time series characteristics of the two sides showed a significant positive correlation. Additionally, the overall digital economic development index is better than the resilience development index of the urban eco-economic system. (2) In terms of the type of coupling coordination, the JJJ region has experienced a dynamic evolution process from the imbalance in 2010 to the primary coordination in 2019. The coupling and coordinated development levels of Beijing and Tianjin are obviously better than those of Hebei Province as a whole. (3) The coupling coordination of the system shows certain characteristics of spatial agglomeration and distribution. The overall spatial pattern presents a development pattern with Beijing and Tianjin as the core, and the gap between the north and the south is gradually narrowing. (4) Spatial spillovers and diffusion effects are evident. However, the influential factors have significant differences in the coupling and coordinated development between this region and neighboring regions. The results may provide theoretical support for the continuous improvement of ecological environment quality and green sustainable economic efficiency in urban agglomeration. It provides decision-making reference for promoting regional synergistic development strategy and optimizing spatial pattern of regional integration.

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