稀土产品全球贸易网络格局演化及其影响因素
廖秋敏,罗连英

Evolution of the Global Trade Network Pattern of Rare Earth Products and Its Influencing Factors
Qiumin LIAO,Lianying LUO
表7 2020年7种稀土产品ERGM的回归结果(2%的贸易额阈值)
Table 7 Regression results of ERGM for seven rare earth products in 2020(2% trade value threshold)
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
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
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mutual0.15-0.14-0.69*-0.260.150.250.56***
(0.16)(0.35)(0.31)(0.24)(0.19)(0.23)(0.17)
gwesp0.060.44***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)
gwideg3.94*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lnGDP0.64***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)
lnpop0.15*0.110.070.010.30***0.21**0.19*
(0.07)(0.13)(0.08)(0.07)(0.07)(0.06)(0.08)
lnEFI1.50**1.961.020.753.77***-0.032.62***
(0.48)(1.08)(0.73)(0.60)(0.66)(0.54)(0.64)
接收者属性lnGDP0.21*0.66**0.030.010.47***0.220.20*
(0.08)(0.21)(0.14)(0.11)(0.10)(0.11)(0.09)
lnpop0.50***-0.060.50***0.38***-0.010.24*0.49***
(0.08)(0.16)(0.13)(0.10)(0.10)(0.10)(0.08)
lnEFI3.24***-0.122.27*2.00*2.09**1.343.79***
(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)
relig0.65**-0.350.07-0.220.74***0.53**0.82***
(0.21)(0.40)(0.27)(0.25)(0.22)(0.20)(0.23)
comlang-0.410.330.290.27-0.29-0.08-0.07
(0.18)(0.23)(0.18)(0.15)(0.18)(0.19)(0.19)
border1.51***0.350.181.24***0.72*1.24***0.77
(0.39)(0.35)(0.33)(0.31)(0.29)(0.26)(0.44)
RTA0.26*0.190.28*0.31*0.090.130.44***
(0.11)(0.18)(0.13)(0.12)(0.11)(0.12)(0.11)