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5 经济集聚对工业废水排放空间溢出效应分解结果
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Table 5 Decomposition results of spatial spillover effects of economic agglomeration on industrial wastewater discharge
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| 变量 | 直接效应 | | 间接效应 | | 总效应 | | lntwater | lnrwater | lntwater | lnrwater | lntwater | lnrwater | | lnagg | -0.488*** | -0.503*** | -0.758*** | -0.860*** | -1.246*** | -1.364*** | | (-4.08) | (-4.10) | (-2.88) | (-3.25) | (-4.15) | (-4.55) | | lnpopd | 0.740** | 0.759** | 1.926*** | 1.602** | 2.666*** | 2.361*** | | (2.33) | (2.31) | (2.62) | (2.17) | (3.57) | (3.17) | | lnpgdp | 0.334*** | -0.310** | 0.896*** | 0.837*** | 1.230*** | 0.526** | | (2.84) | (-2.56) | (3.71) | (3.46) | (4.66) | (2.01) | | lntec | -0.025 | -0.064*** | 0.101** | -0.027 | 0.076* | -0.091** | | (-1.10) | (-2.71) | (2.46) | (-0.64) | (1.84) | (-2.19) | | lnsec | 0.218* | -0.979*** | -1.075*** | -1.337*** | -0.857*** | -2.315*** | | (1.82) | (-7.91) | (-4.78) | (-5.94) | (-3.83) | (-10.50) | | lnopen | -0.023 | -0.031** | -0.069** | -0.068** | -0.093*** | -0.099*** | | (-1.57) | (-2.02) | (-2.43) | (-2.37) | (-2.71) | (-2.89) | | lntran | 0.127*** | 0.085** | 0.215** | 0.300*** | 0.342*** | 0.385*** | | (3.18) | (2.08) | (2.40) | (3.34) | (3.37) | (3.81) |
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