中国矿产资源贸易网络演化
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王文宇, 贺灿飞, 任卓然
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Evolution of mineral resources trade network in China
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WANG Wen-yu, HE Can-fei, REN Zhuo-ran
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表5 中国矿产资源进口网络演化的影响因素
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Table 5 Factors influencing the evolution of import network of mineral resources in China
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变量 | 2008年之前 | | 2008年之后 | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | Relation | -0.071*** | -0.099*** | -0.070** | -0.071*** | | -0.056 | -0.066 | -0.049 | -0.041 | | (0.027) | (0.031) | (0.027) | (0.027) | (0.039) | (0.042) | (0.039) | (0.039) | lnLink | 0.309*** | 0.311*** | 0.295*** | 0.314*** | 0.231*** | 0.229*** | 0.234*** | 0.201*** | | (0.030) | (0.030) | (0.030) | (0.030) | (0.035) | (0.035) | (0.035) | (0.035) | lnInvest | 0.225*** | 0.221*** | 0.216*** | 0.225*** | 0.190*** | 0.190*** | 0.185*** | 0.189*** | | (0.025) | (0.025) | (0.025) | (0.025) | (0.015) | (0.015) | (0.015) | (0.016) | lnGDPi | 0.336** | 0.288* | 0.315* | 0.336** | 0.714*** | 0.719*** | 0.699*** | 0.649*** | | (0.170) | (0.170) | (0.170) | (0.170) | (0.210) | (0.210) | (0.211) | (0.210) | lnGDPj | 1.089*** | 1.088*** | 1.103*** | 1.087*** | 1.085*** | 1.086*** | 1.098*** | 1.143*** | | (0.025) | (0.026) | (0.025) | (0.026) | (0.032) | (0.032) | (0.032) | (0.033) | lnDist | -1.300*** | -1.300*** | -1.398*** | -1.343*** | -0.762*** | -0.755*** | -0.718*** | -0.239** | | (0.071) | (0.071) | (0.073) | (0.097) | (0.078) | (0.079) | (0.095) | (0.111) | lnInst | 0.345*** | 0.340*** | 0.467*** | 0.291*** | -0.154** | -0.154** | -0.150** | -0.045 | | (0.055) | (0.055) | (0.061) | (0.070) | (0.061) | (0.062) | (0.065) | (0.076) | Landlocked | -0.624*** | -0.631*** | -0.624*** | -0.627*** | -0.381*** | -0.375*** | -0.358*** | -0.337*** | | (0.102) | (0.102) | (0.102) | (0.102) | (0.121) | (0.122) | (0.122) | (0.121) | Developed | -0.729*** | -0.733*** | -0.948*** | -0.728*** | -0.532*** | -0.531*** | -0.641*** | -0.810*** | | (0.140) | (0.141) | (0.146) | (0.141) | (0.149) | (0.150) | (0.153) | (0.156) | Rltn_Dist | | 0.080* | | | | 0.050 | | | | | (0.060) | | | | (0.079) | | | Rltn_Inst | | -0.090*** | | | | -0.005 | | | | | (0.032) | | | | (0.045) | | | Link_Dist | | | -0.083** | | | | -0.071** | | | | | (0.035) | | | | (0.038) | | Link_Inst | | | 0.115*** | | | | 0.045** | | | | | (0.023) | | | | (0.024) | | Invst_Dist | | | | -0.019 | | | | -0.144 | | | | | (0.021) | | | | (0.021) | Invst_Inst | | | | -0.019 | | | | 0.001 | | | | | (0.013) | | | | (0.013) | _cons | -2.999 | -4.295 | -3.011 | -2.586 | 3.966 | 4.041 | 2.804 | -3.935 | | (4.861) | (4.868) | (4.855) | (4.876) | (6.297) | (6.298) | (6.313) | (6.386) | 产品效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 时间效应 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 | N | 22470 | 22470 | 22470 | 22470 | 23114 | 23114 | 23114 | 23114 | R2 | 0.314 | 0.315 | 0.315 | 0.314 | 0.268 | 0.268 | 0.268 | 0.269 | P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
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