中国城市蔓延对绿色全要素生产率的影响
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邵汉华, 夏海波
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The impact of urban sprawl on green total factor productivity in China
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SHAO Hanhua, XIA Haibo
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表5 经济集聚的门槛效应显著性检验
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Table 5 Significance test of threshold effect of economic agglomeration
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| 门槛变量 | 门槛数 | F值 | P值 | 门槛估计值 | 临界值 | | 1% | 5% | 10% | | 经济集聚 | 单一 | 8.997** | 0.012 | 88000 | 10.010 | 5.453 | 3.867 | | 双重 | 10.381*** | 0.004 | 340000 | 8.789 | 3.940 | 2.387 | | 三重 | 7.265** | 0.018 | 490000 | 10.207 | 3.652 | 2.566 | | 制造业集聚 | 单一 | 16.297*** | 0.000 | 46000 | 10.682 | 7.749 | 5.104 | | 双重 | 6.497** | 0.020 | 53000 | 8.063 | 5.061 | 3.985 | | 三重 | 9.916** | 0.012 | 140000 | 10.303 | 5.507 | 3.980 | | 服务业集聚 | 单一 | 5.304** | 0.018 | 34000 | 6.771 | 3.910 | 2.598 | | 双重 | 2.853* | 0.064 | 35000 | 10.474 | 3.297 | 1.901 | | 三重 | 2.224 | 0.110 | | 8.221 | 4.007 | 2.397 |
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