How does intra-city spatial structure influence green economic efficiency? A nonlinear and spatial spillover perspective

IF 6.5 1区经济学 Q1 DEVELOPMENT STUDIES

Habitat International Pub Date : 2025-05-27 DOI:10.1016/j.habitatint.2025.103455

Siqi Yan, Qun Wu

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引用次数: 0

Abstract

There is an increasing interest among policymakers and planners worldwide to promote optimization of urban spatial structure (USS) through planning instruments, so as to generate more favorable environmental and economic outcomes. However, attention is mainly devoted to linear effect of USS on green economic efficiency (GEE) in previous research, and the potential nonlinear relationship has been relatively neglected. In addition, relatively few studies have examined spatial spillover impact of USS on GEE. This paper uses LandScan global population datasets to characterize USS, and investigates the nonlinear impacts of USS on GEE, spatial spillover effect and related mechanisms of influence, using spatial panel data models and data for the cities in the Yangtze River Economic Belt (YREB) in China. The results suggest that the impacts that extent of centralization and extent of polycentricity exert on GEE exhibits an inverted U-shaped pattern. USS exerts significant spatial spillover impacts on GEE in neighboring cities. The analysis of mechanisms of influence suggests that USS impacts on GEE by affecting the infrastructure level and the level of green innovation outputs. The findings have significant policy implications for facilitating optimization of USS and enhancing improvement in GEE.

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城市内部空间结构如何影响绿色经济效率？非线性和空间溢出视角

世界各地的决策者和规划者越来越关注通过规划工具促进城市空间结构的优化，从而产生更有利的环境和经济成果。然而，以往的研究主要关注绿色经济效率的线性效应，而忽略了潜在的非线性关系。此外，研究企业创新对企业环境的空间溢出影响的研究相对较少。本文利用LandScan全球人口数据集对人口流动特征进行表征，并利用空间面板数据模型和中国长江经济带城市数据，研究人口流动对城市环境承载力的非线性影响、空间溢出效应及其影响机制。结果表明，集中化程度和多中心程度对环境质量指数的影响呈倒u型分布。城市群对周边城市的生态环境具有显著的空间溢出效应。影响机制分析表明，绿色创新技术通过影响基础设施水平和绿色创新产出水平对环境绩效产生影响。该研究结果对促进USS的优化和提高GEE的改善具有重要的政策意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Habitat International Multiple-

CiteScore

10.50

自引率

10.30%

发文量

151

审稿时长

38 days

期刊介绍： Habitat International is dedicated to the study of urban and rural human settlements: their planning, design, production and management. Its main focus is on urbanisation in its broadest sense in the developing world. However, increasingly the interrelationships and linkages between cities and towns in the developing and developed worlds are becoming apparent and solutions to the problems that result are urgently required. The economic, social, technological and political systems of the world are intertwined and changes in one region almost always affect other regions.