变量

Panel-ADF

Group-ADF

LINF

−2.51^***

−3.56^***

LTEC

−2.88^***

−2.78^***

LPRI

−6.62^***

−4.79^***

LDEP

−3.22^***

−7.57^***

LURB

−3.46^***

−3.84^***

LENS

−4.00^***

−3.05^***