稀土产品全球贸易网络格局演化及其影响因素
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廖秋敏,罗连英
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Evolution of the Global Trade Network Pattern of Rare Earth Products and Its Influencing Factors
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Qiumin LIAO,Lianying LUO
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表7 2020年7种稀土产品ERGM的回归结果(2%的贸易额阈值)
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Table 7 Regression results of ERGM for seven rare earth products in 2020(2% trade value threshold)
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网络统计量 | 模型1 | 模型2 | 模型3 | 模型4 | 模型5 | 模型6 | 模型7 |
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稀土矿 | 稀土金属 | 铈化合物 | 稀土氧化物 | 铈铁 | 稀土铁合金 | 稀土永磁材料 |
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边(弧) | edges | -46.01*** | -36.15*** | -31.64*** | -32.78*** | -42.91*** | -23.56*** | -53.45*** | (3.73) | (7.47) | (5.48) | (4.36) | (4.85) | (3.57) | (4.34) | 内生性结构效应 | mutual | 0.15 | -0.14 | -0.69* | -0.26 | 0.15 | 0.25 | 0.56*** | (0.16) | (0.35) | (0.31) | (0.24) | (0.19) | (0.23) | (0.17) | gwesp | 0.06 | 0.44*** | 0.94*** | 1.53*** | 0.65*** | 0.75*** | -0.42 | (0.19) | (0.13) | (0.14) | (0.19) | (0.13) | (0.13) | (0.37) | gwdsp | -0.15*** | -0.01 | -0.03 | -0.05** | -0.10*** | -0.09*** | -0.12** | (0.02) | (0.03) | (0.02) | (0.02) | (0.02) | (0.02) | (0.04) | gwideg | 3.94* | 1.59* | 3.33*** | 3.50*** | 4.32*** | 2.90*** | 5.75 | (1.54) | (0.73) | (0.82) | (0.81) | (1.07) | (0.76) | (3.71) | gwodeg | -0.95 | -2.04*** | -1.48** | 0.72 | -0.51 | -0.79 | -2.95 | (0.90) | (0.50) | (0.51) | (0.62) | (0.51) | (0.49) | (2.02) | 发送者属性 | lnGDP | 0.64*** | 0.42** | 0.24** | 0.43*** | 0.19** | 0.20** | 0.96*** | (0.08) | (0.15) | (0.09) | (0.09) | (0.07) | (0.07) | (0.08) | lnpop | 0.15* | 0.11 | 0.07 | 0.01 | 0.30*** | 0.21** | 0.19* | (0.07) | (0.13) | (0.08) | (0.07) | (0.07) | (0.06) | (0.08) | lnEFI | 1.50** | 1.96 | 1.02 | 0.75 | 3.77*** | -0.03 | 2.62*** | (0.48) | (1.08) | (0.73) | (0.60) | (0.66) | (0.54) | (0.64) | 接收者属性 | lnGDP | 0.21* | 0.66** | 0.03 | 0.01 | 0.47*** | 0.22 | 0.20* | (0.08) | (0.21) | (0.14) | (0.11) | (0.10) | (0.11) | (0.09) | lnpop | 0.50*** | -0.06 | 0.50*** | 0.38*** | -0.01 | 0.24* | 0.49*** | (0.08) | (0.16) | (0.13) | (0.10) | (0.10) | (0.10) | (0.08) | lnEFI | 3.24*** | -0.12 | 2.27* | 2.00* | 2.09** | 1.34 | 3.79*** | (0.60) | (1.25) | (1.03) | (0.83) | (0.77) | (0.84) | (0.64) | 网络协变量 | lndist | -1.03*** | -0.66*** | -0.46*** | -0.40*** | -0.92*** | -0.56*** | -1.06*** | (0.08) | (0.12) | (0.09) | (0.08) | (0.09) | (0.08) | (0.08) | relig | 0.65** | -0.35 | 0.07 | -0.22 | 0.74*** | 0.53** | 0.82*** | (0.21) | (0.40) | (0.27) | (0.25) | (0.22) | (0.20) | (0.23) | comlang | -0.41 | 0.33 | 0.29 | 0.27 | -0.29 | -0.08 | -0.07 | (0.18) | (0.23) | (0.18) | (0.15) | (0.18) | (0.19) | (0.19) | border | 1.51*** | 0.35 | 0.18 | 1.24*** | 0.72* | 1.24*** | 0.77 | (0.39) | (0.35) | (0.33) | (0.31) | (0.29) | (0.26) | (0.44) | RTA | 0.26* | 0.19 | 0.28* | 0.31* | 0.09 | 0.13 | 0.44*** | (0.11) | (0.18) | (0.13) | (0.12) | (0.11) | (0.12) | (0.11) |
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