干旱灾害对农业技术效率的影响
陈钦萍, 刘振滨, 杨建州

The impact of drought disaster on agricultural technical efficiency: threshold effect based on irrigation level
Qinping Chen, Zhengbin Liu, Jianzhou Yang
表2 随机前沿生产函数估计结果
Table 2 Estimation results of stochastic frontier production function
参数系数标准差T
β02.6360***0.26529.9405
β10.2037***0.07282.7990
β20.1509**0.07432.0308
β30.2098***0.05044.1637
β40.2263***0.04744.7756
σ20.0685***0.01574.3597
γ0.6298***0.041115.3091
μ0.4153***0.14202.9242
η0.0841***0.005515.3329
极大似然值115.3261LR677.2944