Abstract
In the context of vigorously promoting new-urbanization, effectively improving the green use efficiency of urban land is an inevitable requirement to achieve high-quality economic and social development. Based on the panel data from 2011 to 2018 of 297 prefecture-level and above cities in China, this paper uses the entropy weight method and the super-efficient SBM-GML model to estimate the spatio-temporal evolution characteristics of new-urbanization and urban green land utilization efficiency. Then, the spatial simultaneous-equation and the generalized spatial three-stage least square method (GS3SLS) are employed to empirically investigate the spatial interaction spillover effects between the new-urbanization and the green land utilization efficiency. The results indicate that: (1) The level of new-urbanization and the green land utilization efficiency in Chinese cities have common and complex temporal and spatial dynamic evolution characteristics. (2) There are mutual inhibition effects between new-urbanization and green land utilization efficiency, and the level of new-urbanization is in a comparatively leading role. (3) Both the level of new-urbanization and green land utilization efficiency have obvious spatial spillover effects. (4) The level of new-urbanization of surrounding regions promotes the green land utilization efficiency of local regions, and the improvement of the green land utilization efficiency of surrounding regions also promotes the level of new-urbanization of local regions. As environmental pressure increasingly becomes a constraint on urban development, these findings are helpful to clarify the regional relationship between urban construction and green development and promote the harmonious development of new-urbanization and green land utilization efficiency.
Highlights
China is in the critical period of improving the quality and efficiency of new-urbanization construction, so it is urgent to carry out a relevant investigation into the mechanism of new-urbanization and green land utilization efficiency to change the current situation of extensive use of urban land, to realize the best allocation of urban land resources and the smooth progress of new-urbanization
Through spatial-econometric estimation, we find mutual inhibition effects between new-urbanization level and green land utilization efficiency
There is an interactive effect between the level of new-urbanization and green land utilization efficiency, and the marginal effect of the new-urbanization level on the green land utilization efficiency is more obvious, that is, the new-urbanization level takes a comparatively leading role in the reciprocal promotion relationship
Summary
For more than two hundred years after the industrial revolution, the world has experienced a magnificent and rapid urbanization process. New-urbanization is urbanization with the basic characteristics of urban–rural overall planning, urban–rural integration, industrial interaction, economy and intensification, ecological livability, and harmonious development. China is in the critical period of improving the quality and efficiency of new-urbanization construction, so it is urgent to carry out a relevant investigation into the mechanism of new-urbanization and green land utilization efficiency to change the current situation of extensive use of urban land, to realize the best allocation of urban land resources and the smooth progress of new-urbanization. From the perspective of spatial layout, the level of new-urbanization and the efficiency of green land use have a prominent feature of taking a city as a unit, which is manifested as the aggregation of urban development resources and land ecological industries within cities, and there are apparent differences between different cities [10,13]. In the first section, through the introduction of the empirical facts and the summary of the existing literature, the core issues of the research are put forward, that is, the spatio-temporal evolution characteristics of the new-urbanization and the green land utilization efficiency and the correlation between the two; in the second section, based on the analysis of the relationship between key variables, the research hypotheses of this paper are proposed, and the empirical model and data source and pretreatment are introduced; the third section empirically analyzes the spatio-temporal evolution characteristics of new-urbanization and green land utilization efficiency in China; the fourth section empirically analyzes the spatial inter-spillover effects between new-urbanization and green land utilization efficiency and carries out the robustness test; and the fifth section draws some basic conclusions and provides relevant policy implications
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