国际铁矿石贸易空间互动过程及中国进口策略分析
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朱永光, 徐德义, 成金华, 朱文琪, 尤喆
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The interactive process of international iron ore trade and analysis of China's importation strategy
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Yongguang ZHU, Deyi XU, Jinhua CHENG, Wenqi ZHU, Zhe YOU
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| 表5 以经济距离为权重矩阵的模型效应分解 |
| Table 5 Effect decomposition based on economic distance weight matrix |
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| 变量 | 模型五 | 模型六 | 模型七 | | 直接效应 | 间接效应 | 总效应 | 直接效应 | 间接效应 | 总效应 | 直接效应 | 间接效应 | 总效应 | | O_Res | 13.21 | 19.11 | 32.32 | 31.62 | 17.26 | 48.88 | 17.88 | 16.91 | 34.79 | | O_Tec | 0.02 | 0.02 | 0.03 | 0.10 | 0.06 | 0.16 | 0.21 | 0.32 | 0.53 | | O_Tra | -1.85 | -2.56 | -4.40 | -6.99 | -3.87 | -10.86 | -19.34 | -1.12 | -20.46 | | D_Eco | -11.50 | -17.56 | -29.06 | -7.26 | -3.50 | -10.75 | -19.81 | -13.82 | -33.63 | | D_Con | 3.18 | 4.82 | 8.00 | 2.22 | 1.11 | 3.33 | 5.37 | 5.06 | 10.43 | | D_Ind | -39.13 | -59.87 | -99.00 | -28.16 | -13.41 | -41.56 | -36.16 | -63.26 | -99.42 | | D_Urb | 31.41 | 47.87 | 79.28 | 17.80 | 8.62 | 26.42 | 15.92 | 27.85 | 43.77 | | D_Tra | 31.90 | 48.77 | 80.67 | 20.75 | 9.97 | 30.72 | 21.43 | 37.48 | 58.91 | | G_Dis | -6.44 | -9.84 | -16.29 | -7.29 | -4.08 | -11.37 | -6.31 | -1.11 | -7.42 | | G_Dis2 | 0.18 | 0.28 | 0.46 | 0.31 | 0.18 | 0.50 | 0.32 | 0.17 | 0.49 |
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