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3 2009—2020年7种稀土产品贸易网络集聚系数及平均路径长度演变
Table 3 Evolution of trade network agglomeration coefficient and average path length of seven rare earth products from 2009 to 2020
年份产品集聚系数

稀土矿

(HS 253090)

稀土金属

(HS 280530)

铈化合物

(HS 284610)

稀土氧化物

(HS 284690)

铈铁

(HS 360690)

稀土铁合金

(HS 720299)

稀土永磁材料

(HS 850511)

20090.600.620.560.640.520.510.67
20130.600.570.570.590.530.500.68
20170.630.590.580.600.550.500.71
20200.650.500.600.610.550.500.72
年份产品平均路径长度

稀土矿

(HS 253090)

稀土金属

(HS 280530)

铈化合物

(HS 284610)

稀土氧化物

(HS 284690)

铈铁

(HS 360690)

稀土铁合金

(HS 720299)

稀土永磁材料

(HS 850511)

20091.702.062.192.051.952.041.54
20131.692.311.981.982.012.111.52
20171.692.291.961.911.902.121.49
20201.662.401.961.811.942.031.44