Abstract
A regional coordinated development strategy is an important measure that is often used to implement sustainable development in China. However, many obstacles greatly limit the realization of regional ecological coordinated sustainable development. In this paper, ecological efficiency is utilized as an important indicator of sustainable development, and the network analysis method is used to explore the spatial correlation relationship of regional ecological coordinated sustainable development. This paper calculates the ecological efficiency of each region using the Window slacks-based measure (Window-SBM) model, formulates the spatial network of regional ecological efficiency spillover through the vector auto-regressive (VAR) Granger causality model, and analyzes the spatial spillover relationship and influencing factors of regional ecological efficiency by using the social network analysis method. It is found that the spillover network of ecological efficiency in each region presents a typical core-edge structure. In addition, there is an obvious hierarchical structure among blocks with different directions and functions. Industrial structure, economic development, and geographical proximity have a positive impact on the spatial spillover of regional ecological efficiency, while environmental regulation has a negative impact. Finally, relevant policy suggestions are put forward.
Highlights
In recent years, ecological problems, including global warming, pollution of air and fresh water resources, land degradation, losses of forest resources, cross-border transfer of hazardous wastes, and shape decrease of species diversity, have become increasingly prominent
This shows that the economic development level has a very significant positive effect on the spatial spillover of regional ecological efficiency, The correlation coefficients of industrial structure, freedom degree of investment and technical improvement as the measurement indexes of regional difference with a spatial spillover of regional ecological efficiency respectively are 0.121, 0.068, and 0.112, and these results all pass the 5% significance level test
This shows that industrial structure, freedom degree of investment, and technical improvement have significant positive effects on the spatial spillover of regional ecological efficiency
Summary
Ecological problems, including global warming, pollution of air and fresh water resources, land degradation, losses of forest resources, cross-border transfer of hazardous wastes, and shape decrease of species diversity, have become increasingly prominent. Policymakers are forced to pay increased attention to ecological effect problems including environmental degradation, resource exhaustion, and climate change effects on economic activities (Lansink et al, 2014) [1]. This is especially true for developing countries, China being no exception. China’s economy has obtained constantly rapid growth for over 30 years Because of this extensively high growth, along with traditional thinking concerning GDP, the concept of “promotion tournament” has caused a major waste of environmental resources and a continuously deteriorated ecological environment, which seriously hinders the sustainable development of the economy and society. In 2017, the total investment amount for the governance of environmental pollution reached 953.9 billion yuan, accounting for 1.16%
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