城镇化率的提升必然加剧雾霾污染吗——兼论城镇化与雾霾污染的空间溢出效应
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梁伟, 杨明, 张延伟
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Will the increase of the urbanization rate inevitably exacerbate haze pollution? A discussion of the spatial spillover effects of urbanization and haze pollution
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Wei LIANG, Ming YANG, Yanwei ZHANG
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| 表2 3SLS分组估计结果 |
| Tab. 2 The group regression results of 3SLS |
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| 变量 | urban<60.8（组1） | | Urban>=60.8（组2） | | aqi | aqi | | urban | -0.0143
(-1.17) | | -0.0178
(-4.66)*** | | pgdp | 2.4809
(1.05) | -6.0163
(-2.36)** | | pgdp2 | -0.1044
(-0.97) | 0.2633
(2.36)** | | energy | -0.0090
(-0.20) | 0.1210
(2.99)*** | | constr | 0.0881
(2.88)*** | 0.0219
(0.96) | | 2ind | 0.0008
(0.74) | 0.0002
(0.24) | | 3ind | -0.1760
(-1.93)* | -0.1437
(-1.62) | | pden | 0.0691
(0.75) | 0.1028
(1.68)* | | rd | 0.0488
(2.04)** | 0.0978
(5.12)*** | | green | -0.0040
(-2.07)** | 0.0012
(0.65) | | road | 0.0098
(0.72) | 0.0045
(1.03) | | dust | 0.0417
(2.48)** | 0.0346
(2.18)** | | rain | -0.2402
(-3.84)*** | -0.1193
(-3.92)*** | | dist | 0.0180
(1.00) | 0.0335
(2.86)*** | | wind | -0.0654
(-0.99) | -0.0184
(-0.64) | | cons | 7.1292
(5.09)*** | 2.4628
(2.73)*** | | Observation | 87 | 72 | | Adjusted R2 | 0.5435 | 0.6799 |
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