“双循环”视阈下我国稀土产业价值链的逻辑构成与重构路径研究
叶前林,李佳欣,赖丹

Research on the Logical Composition and Reconstruction Path of China’s Rare Earth Industry Value Chain from the Perspective of Dual Circulation
Qianlin YE,Jiaxin LI,Dan LAI
表2 稀土企业效率投入产出指标
Table 2 Efficiency input-output indicators of rare earth enterprises
指标类别变量指标含义

投入

投入

X1稀土企业营业成本(元)
X2稀土企业固定资产净额(元)
产出Y1稀土企业营业收入(元)