首页|水生态文明城市建设试点政策对绿色水资源利用效率的影响

水生态文明城市建设试点政策对绿色水资源利用效率的影响

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如何提高绿色水资源利用效率对于中国在新发展阶段下实现全面绿色转型至关重要。基于2008～2020年中国城市面板数据，利用EBM模型计算发现样本期内绿色水资源利用效率一直呈现上升趋势，其中试点建设期的上升速度最快。进一步利用双重差分法实证研究水生态文明城市建设试点政策对绿色水资源利用效率的影响，结果表明在纳入城镇化水平、人口密度、对外开放水平和用水结构等控制变量下，水生态文明城市建设试点政策提高了绿色水资源利用效率，该结果通过了一系列稳健性检验。异质性方面，该试点政策对绿色水资源利用效率的影响存在时间异质性，且该影响在不同经济发展水平、水资源禀赋、环境规制强度的城市存在地区异质性。机制分析发现，该试点政策是通过加大污水处理、促进技术进步、优化产业结构、加快水价改革、推动水循环利用等提高了绿色水资源利用效率。
Impact of Water Ecological Civilization City Construction Pilot Policy on Green Water Resource Utilization Efficiency
How to improve the green water resource utilization efficiency is very important for China to realize comprehensive green transformation in the new development stage.Based on the panel data of cities in China from 2008 to 2020,this study found that the green water resource utilization efficiency in the sample period showed an upward trend by using EBM model,and the green water resource utilization efficiency in the pilot construction period increased at the highest rate.The empirical study showed that under the control of urbanization level,population density,opening up level and water use structure,the pilot policy of water ecological civilization city construction had improved the green water resource utilization efficiency by using difference-in-differences method.The above results passed a series of robustness tests.In terms of heterogeneity,there was time heterogeneity in the impact of pilot policies on green water resource utilization efficiency,and the impact had regional heterogeneity in cities with different levels of economic development,water resources endowment and environmental regulation intensity.Mechanism analysis showed that the impact was achieved by increasing sewage treatment,promoting technological progress,optimizing the industrial structure,speeding up water price reform and promoting water recycling.

water ecological civilizationgreen water resource utilization efficiencydifference-in-differences methodheterogeneity

阚大学、吕连菊

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南昌工程学院经济贸易学院,江西南昌 330099

南昌工程学院水经济与管理研究中心,江西南昌 330099

水生态文明 绿色水资源利用效率 双重差分法 异质性

国家自然科学基金项目江西省社会科学基金项目江西省社会科学基金项目江西省自然科学基金项目江西省高校人文社科项目

7236302222GL56D21JL08D20232ACB203024JJ21212

2024

10.11870/cjlyzyyhj202403004

长江流域资源与环境
中国科学院资源环境科学与技术局 中国科学院武汉文献情报中心

长江流域资源与环境

CSTPCDCSSCICHSSCD北大核心
影响因子：1.35
ISSN：1004-8227
年,卷(期)：2024.33(3)
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