湖北省县际种植业生产要素调控对策研究——基于三阶段DEA模型

单玉红, 朱枫, 刘梦娇

Structural regulation countermeasures of planting industry production factors for counties in Hubei according to three-stage DEA modeling

Yuhong SHAN, Feng ZHU, Mengjiao LIU

表4 4个显著外部环境变量的SFA参数估计

Table 4 SFA parameter estimates of four significant external indicators