城市群水污染物排放的驱动因素及尺度效应
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周侃, 殷悦, 陈妤凡
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Driving factors and scale effects of water pollutant discharge in the urban agglomeration
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ZHOU Kan, YIN Yue, CHEN Yufan
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表4 SLM和SEM模型的检验与参数估计结果
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Tab. 4 Tests and parameter estimation of SLM and SEM models
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变量 | SLM(COD) | | SEM(COD) | | SLM(NH3-N) | | SEM(NH3-N) | 2011年 | 2016年 | 2011年 | 2016年 | 2011年 | 2016年 | 2011年 | 2016年 | lnPOP | 0.915*** | 0.756*** | | 0.987*** | 0.904*** | | 0.893*** | 0.738*** | | 0.953*** | 0.851*** | | (16.251) | (10.510) | (19.320) | (12.628) | (18.168) | (10.729) | (21.345) | (12.451) | lnUR | 0.097 | 0.507*** | 0.103 | 0.587*** | 0.122* | 0.431*** | 0.152** | 0.516*** | | (1.337) | (7.494) | (1.366) | (7.780) | (1.939) | (6.691) | (2.319) | (7.269) | lnPGDP | 0.244** | 0.060** | 0.371*** | 0.077*** | 0.194*** | 0.072*** | 0.277*** | 0.077*** | | (4.800) | (2.351) | (6.867) | (2.599) | (4.429) | (2.895) | (5.887) | (2.742) | lnIS | 0.329*** | 0.099 | 0.292*** | 0.276*** | 0.012 | -0.153** | 0.033 | -0.051 | | (5.181) | (1.498) | (4.676) | (3.840) | (0.218) | (-2.479) | (0.601) | (-0.748) | lnFAI | 0.079 | 0.292*** | 0.068 | 0.190*** | 0.056 | 0.252*** | 0.098** | 0.211*** | | (1.423) | (4.298) | (1.278) | (2.589) | (1.216) | (3.854) | (2.122) | (2.976) | lnFDI | -0.094*** | -0.092*** | -0.076** | -0.037 | -0.072** | -0.076*** | -0.085*** | -0.060* | | (-3.584) | (-3.346) | (-2.174) | (-1.074) | (-3.173) | (-2.863) | (-2.845) | (-1.895) | lnFD | -0.231*** | -0.378*** | -0.184** | -0.313*** | -0.005 | -0.142** | -0.010 | -0.111 | | (-3.487) | (-5.088) | (-2.424) | (-3.693) | (-0.089) | (-1.982) | (-0.155) | (-1.392) | 空间滞后项(ρ) | 0.187*** | 0.211*** | | | 0.199*** | 0.177*** | | | | (6.023) | (5.791) | | | (5.993) | (4.188) | | | 空间误差项(λ) | | | 0.621*** | 0.482*** | | | 0.616*** | 0362*** | | | | (13.119) | (7.739) | | | (11.897) | (5.186) | R2 | 0.643 | 0.518 | 0.736 | 0.559 | 0.711 | 0.588 | 0.778 | 0.606 | 对数似然函数值(logL) | -196.091 | -228.885 | -165.174 | -216.408 | -156.995 | -222.573 | -127.067 | -221.332 | 赤池信息量准则(AIC) | 410.181 | 475.770 | 346.348 | 448.815 | 330.708 | 463.146 | 270.135 | 452.261 | 施瓦兹准则(SC) | 443.664 | 509.253 | 376.111 | 478.578 | 364.191 | 496.629 | 299.897 | 482.023 |
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