长江经济带经济集聚对工业废水排放影响的空间溢出效应与门槛特征
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张帆, 邓宏兵, 彭永樟
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Spatial spillover effect and threshold characteristics of economic agglomeration on industrial wastewater discharge in the Yangtze River Economic Belt
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ZHANG Fan, DENG Hongbing, PENG Yongzhang
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表4 经济集聚对工业废水排放影响的空间溢出效应检验结果
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Table 4 Test results of the spatial spillover effect of economic agglomeration on industrial wastewater discharge
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变量 | lntwater | | lnrwater | 系数 | z统计量 | p值 | 系数 | z统计量 | p值 | lnagg | -0.451*** | -3.90 | 0.000 | | -0.465*** | -3.91 | 0.000 | lnpopd | 0.654* | 1.96 | 0.050 | 0.699** | 2.03 | 0.042 | lnpgdp | 0.278** | 2.31 | 0.021 | -0.360*** | -2.91 | 0.004 | lntec | -0.030 | -1.25 | 0.212 | -0.062** | -2.50 | 0.012 | lnsec | 0.280** | 2.14 | 0.033 | -0.909*** | -6.72 | 0.000 | lnopen | -0.020 | -1.37 | 0.170 | -0.029* | -1.86 | 0.063 | lntran | 0.115*** | 3.02 | 0.003 | 0.071* | 1.80 | 0.072 | W×lnagg | -0.475** | -2.17 | 0.030 | -0.585*** | -2.60 | 0.009 | W×lnpopd | 1.296** | 2.09 | 0.037 | 1.085* | 1.70 | 0.089 | W×lnpgdp | 0.634*** | 3.17 | 0.002 | 0.759*** | 3.68 | 0.000 | W×lntec | 0.088** | 2.49 | 0.013 | -0.008 | -0.22 | 0.830 | W×lnsec | -0.929*** | -4.95 | 0.000 | -0.896*** | -4.51 | 0.000 | W×lnopen | -0.047** | -2.01 | 0.045 | -0.047* | -1.91 | 0.056 | W×lntran | 0.140** | 1.99 | 0.047 | 0.227*** | 3.15 | 0.002 | ρ | 0.253*** | 8.70 | 0.000 | 0.225*** | 7.74 | 0.000 | sigma2 | 0.122*** | 28.53 | 0.000 | 0.129*** | 28.58 | 0.000 |
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