Driving Effects of Spatial Proximity of Prefecture-level City Governments on Carbon Emission Reduction in Counties
Received date: 2024-04-22
Revised date: 2024-12-13
Online published: 2025-10-17
In recent years, with the advances in new economic geography theory, the role of geographical distance between different economies has received increasing attention. This paper takes the reform of the relocation of prefecture-level city government offices in China between 2008 and 2023 as a policy shock, and constructs a difference-in-differences model from the perspective of geographical distance between upper and lower-level governments to evaluate the carbon reduction effects of government proximity. The empirical results show that: 1) Proximity to prefecture-level city governments significantly reduces carbon emissions at the county level, and this effect gradually strengthens and stabilizes over time. 2) Mechanism analysis indicates that the enhanced environmental regulation by prefecture-level city governments and improved industrial adjustment capacity at the county level, brought about by geographical proximity, are important reasons for the carbon reduction effect in neighboring counties. 3) Further analysis reveals that government proximity not only facilitates carbon reduction but also concurrently mitigates regional environmental pollutant emissions, achieving synergistic effects in pollution and carbon reduction. 4)Moreover, government relocation events demonstrate a positive impact on regional carbon mitigation, contributing to an overall decline in county-level carbon emissions.
ZHANG Haotian , LU Shengfeng . Driving Effects of Spatial Proximity of Prefecture-level City Governments on Carbon Emission Reduction in Counties[J]. Economic geography, 2025 , 45(9) : 210 -217 . DOI: 10.15957/j.cnki.jjdl.2025.09.021
表1 变量的描述性统计Tab.1 Descriptive statistics |
| 变量名称 | 样本数(个) | 均值 | 标准差 | 最小值 | 最大值 |
|---|---|---|---|---|---|
| 碳排放 | 43797 | 14.047 | 1.436 | 10.976 | 17.356 |
| 夜间灯光亮度 | 43797 | 9.714 | 14.853 | 0.000 | 63.000 |
| 平均坡度 | 43797 | 10.842 | 6.680 | 0.855 | 33.781 |
| 人口密度 | 43797 | 8.091 | 22.839 | 0.000 | 365.173 |
| 专利申请量 | 43797 | 31.725 | 316.872 | 0.000 | 12928.000 |
表3 经济集聚效应Tab.3 Economic agglomeration effect |
| 变量 | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
| 新注册企业 | 产业园区 新增企业 | 规模以上 工业企业 | 产业高级化 | |
| Close·Post | 0.097** | 0.072** | -0.122*** | 1.483*** |
| 常数项 | 8.048*** | 4.405*** | 1.544*** | 1.215*** |
表4 环境规制效应Tab.4 Effects of environmental regulation |
| 变量 | (1) | (2) | (3) | (4) | (5) |
|---|---|---|---|---|---|
| 企业 碳排放 | 清洁燃气 消耗 | 原料煤 消耗 | 发明型 绿色专利 | 实用型 绿色专利 | |
| Close·Post | -0.084* | 0.733*** | -0.722** | 0.006* | 0.007* |
| 常数项 | 10.160*** | 0.315*** | 1.675*** | 0.011*** | 0.015*** |
表5 进一步分析Tab.5 Further analysis |
| 变量 | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
| Treat·Post | -1.009** | -1.689** | -0.018 | -0.039** |
| 常数项 | 43.403*** | 85.310*** | 14.044*** | 14.026*** |
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