估计方法

(1)

(2)

固定效应

系统GMM

L.lnpat

1.102***

(0.0972)

lnold2

−0.0599**

−0.532*

(0.0268)

(0.500)

lntmd

0.352***

−0.0557***

(0.0858)

(0.0340)

lnbi

1.741***

−0.506**

(0.542)

(0.319)

lnggdp

−2.090***

0.466*

(0.627)

(0.235)

lnopen

0.337*

−0.100*

(0.197)

(0.0657)

_cons

6.940**

(2.811)

N

450

420

AR2

1.081

(0.280)

hansen

5.464

(0.0194)