两阶段最小二乘法2SLS与Heckman两阶段回归代码stata
两阶段最小二乘法2SLS与Heckman两阶段回归代码stata 被解释变量 FINRATIO 解释变量 CEOFIN 控制变量 SIZE LEV SR BOARD GP AS SEX AGE STATE OVERSEA i.ye...
两阶段最小二乘法2SLS与Heckman两阶段回归代码stata 被解释变量 FINRATIO 解释变量 CEOFIN 控制变量 SIZE LEV SR BOARD GP AS SEX AGE STATE OVERSEA i.ye...