基于技术效率测算的京津冀城市土地集约利用潜力评价
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王向东,刘小茜,裴韬,王振波
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Potential evaluation of urban land intensive use in Beijing-Tianjin-Hebei region based on measurement of technical efficiency
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WANG Xiangdong,LIU Xiaoqian,PEI Tao,WANG Zhenbo
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表2 不同随机前沿生产函数模型的估计结果
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Tab. 2 Estimated results of different stochastic frontier production models
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| 统计量 | 模型a1 | 模型a2 | 模型a3 | 模型a4 | | β0 | 0.2030 | 3.8165(13.2759)*** | -2.3527 | 3.5386(10.5114)*** | | β1 | 0.0230 | 0.2657(4.8379)*** | 0.6998 | 0.2746(4.8371)*** | | β2 | 1.0841 | 0.1556(3.5419)*** | 1.6930*** | 0.1756(3.8196)*** | | β3 | 0.6660 | 0.1976(5.6903)*** | 0.6266 | 0.2070(5.8971)*** | | βt | 0.0579 | - | - | -0.0203(-1.9579)* | | β11 | 0.3404* | - | 0.1841 | - | | β22 | 0.0880 | - | -0.0289 | - | | β33 | 0.0943 | - | 0.0119 | - | | βtt | -0.0023 | - | - | - | | β12 | -0.1844 | - | -0.2376** | - | | β13 | 0.0377 | - | 0.0616 | - | | β23 | -0.1788* | - | -0.1240 | - | | β1t | -0.0112 | - | - | - | | β2t | -0.0068 | - | - | - | | β3t | 0.0039 | - | - | - | | σ2 | 0.1880 | 0.2182(7.5254)*** | 0.1339*** | 0.1268(2.0601)** | | γ | 0.9589*** | 0.9591(85.1103)*** | 0.9412*** | 0.9297(26.3224)*** | | μ | 0.4538* | 0.9148(6.4439)*** | 0.7099*** | 0.6824(3.0519)*** | | η | -0.0607* | -0.0645(-6.6665)*** | -0.0744*** | -0.0568(-4.8483)*** | | 似然函数对数值 | 102.7969 | 93.2352 | 99.7146 | 94.4763 | | 似然比单边误差检验值 | 130.3760*** | 225.4325*** | 213.3727*** | 147.1552*** |
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