生态省建设的碳减排效应研究
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王桂新, 李刚
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Effect of "Ecological Province" construction oncarbon emission reduction in China
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WANG Guixin, LI Gang
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表7 协变量的平衡性检验
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Tab. 7 Results of balance test
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| 变量 | 样本 | 平均值 | 偏差比例(%) | t检验 | | 处理组 | 对照组 | t值 | P值 | | lnGDP | 匹配前 | 9.133 | 8.520 | 56.8 | 5.89 | 0.00 | | 匹配后 | 8.465 | 8.491 | -2.6 | 0.20 | 0.85 | | lnrpeople | 匹配前 | 5.757 | 4.996 | 61.1 | 6.26 | 0.00 | | 匹配后 | 5.726 | 5.709 | 1.7 | 0.14 | 0.89 | | Urban | 匹配前 | 0.507 | 0.487 | 13.2 | 1.36 | 0.17 | | 匹配后 | 0.439 | 0.487 | -4.8 | 1.65 | 0.11 | | Forest | 匹配前 | 0.355 | 0.279 | 42.7 | 4.44 | 0.00 | | 匹配后 | 0.286 | 0.279 | 0.7 | 0.23 | 0.82 | | lnA | 匹配前 | 0.691 | 0.635 | 19.5 | 2.02 | 0.04 | | 匹配后 | 0.782 | 0.745 | 3.7 | 1.18 | 0.24 | | Rindustry | 匹配前 | 0.888 | 1.077 | -41.2 | -4.24 | 0.00 | | 匹配后 | 0.803 | 1.019 | -21.5 | 1.86 | 0.07 |
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