空气质量对中国人口迁移的影响
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曹广忠, 刘嘉杰, 刘涛
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Examining the role of air quality in shaping the landscape of China′s internal migration: Phase characteristics, push and pull effects
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CAO Guangzhong, LIU Jiajie, LIU Tao
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表4 截面回归结果
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Tab. 4 Sectional regression results
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| 变量 | （1）2000年 | （2）2005年 | （3）2010年 | （4）2015年 | | PM | 0.079 | -0.285*** | -0.229*** | -0.149*** | | (0.064) | (0.061) | (0.043) | (0.042) | | PGDP | 10.07*** | 6.588*** | 8.242*** | 7.915*** | | (2.305) | (1.424) | (1.640) | (1.718) | | empⅡ | 0.135 | 0.397*** | 0.372*** | 0.180** | | (0.083) | (0.138) | (0.089) | (0.086) | | empⅢ | 0.114 | 0.031 | 0.180 | 0.052 | | (0.075) | (0.072) | (0.109) | (0.137) | | library | 0.051 | 0.085*** | 0.070*** | 0.062*** | | (0.042) | (0.032) | (0.012) | (0.012) | | school | 1.876* | 0.133 | -0.086 | -0.407 | | (0.972) | (0.605) | (0.347) | (0.336) | | hospital | -0.137 | -0.272 | -0.061 | 0.089 | | (0.109) | (0.217) | (0.114) | (0.099) | | admin | -3.833 | -0.027 | 5.241** | 7.671*** | | (4.343) | (2.893) | (2.320) | (2.931) | | east | -7.786*** | 3.455* | 1.785 | 3.633* | | (1.923) | (1.793) | (1.899) | (2.050) | | mid | -3.137*** | 2.652** | 1.951 | 0.458 | | (1.077) | (1.310) | (1.555) | (1.500) | | agg | 0.373 | 1.060 | 2.344* | 3.566*** | | (1.059) | (1.059) | (1.218) | (1.232) | | pop | 1.791 | 1.440 | 0.372 | 0.993 | | (1.177) | (1.205) | (0.984) | (1.036) | | Constant | -113.1*** | -79.14*** | -100.90*** | -101.20*** | | (20.56) | (13.47) | (17.03) | (18.06) | | Observations | 246 | 273 | 283 | 287 | | Adj. R-squared | 0.494 | 0.591 | 0.685 | 0.686 | | F | 14.11*** | 29.98*** | 42.34*** | 49.04*** |
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