基于单边界二分式CVM的不同样本方案下耕地保护外部性测度与分析——以河南省焦作市为例
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牛海鹏, 王坤鹏
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Measurement and analysis of cultivated land protection externalities under different sample schemes based on the single-bounded dichotomous choice CVM:a case study of Jiaozuo
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Haipeng NIU, Kunpeng WANG
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表6 三类样本WTP模型检验 |
Table 6 The WTP model test of three kinds samples |
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类别 | 模型 | 模型系数综合检验 | H-L检验 | -2对数似然值 | C&S R 方值 | Nagelkerke R方值 | 卡方 | df | | | | sig | 卡方 | df | sig | 均分样本 | 步骤1 | 114.229 | 15 | 0 | 10.324 | 8 | 0.243 | 417.869 | 0.257 | 0.343 | | 步骤6 | 113.236 | 10 | 0 | 11.461 | 8 | 0.177 | 418.863 | 0.255 | 0.340 | | 步骤11 | 107.042 | 5 | 0 | 7.994 | 8 | 0.434 | 425.056 | 0.243 | 0.324 | 非均分样本 | 步骤1 | 98.413 | 1 | 0 | 10.324 | 8 | 0.243 | 568.043 | 0.185 | 0.247 | | 步骤4 | 120.727 | 4 | 0 | 11.461 | 8 | 0.177 | 545.730 | 0.222 | 0.296 | | 步骤7 | 132.752 | 7 | 0 | 7.994 | 8 | 0.434 | 533.704 | 0.241 | 0.322 | 分类非均分样本 | 城镇类样本 | 步骤1 | 51.495 | 1 | 0 | 16.575 | 8 | 0.035 | 233.771 | 0.221 | 0.295 | | | 步骤2 | 57.308 | 2 | 0 | 13.616 | 8 | 0.092 | 227.958 | 0.243 | 0.324 | | 农村类样本 | 步骤2 | 56.303 | 2 | 0 | 24.747 | 8 | 0.002 | 324.837 | 0.185 | 0.247 | | | 步骤4 | 73.860 | 4 | 0 | 10.710 | 8 | 0.219 | 307.280 | 0.236 | 0.314 |
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