直接效应

间接效应

总效应

直接效应

间接效应

总效应

Y02

−0.00127***

−0.000335

−0.00161***

--

--

--

(−8.83)

(−1.03)

(−4.81)

gray

--

--

--

−0.000711**

0.000218

−0.000493

(−2.30)

(0.39)

(−0.92)

clean

--

--

--

−0.00260***

−0.00206*

−0.00465***

(−4.41)

(−1.89)

(−4.14)

lnPGDP

−0.166

−0.0624

−0.228

−0.148

−0.0430

−0.191

(−1.56)

(−1.34)

(−1.54)

(−1.43)

(−1.18)

(−1.41)

UR

1.518***

0.570**

2.088***

1.259**

0.374*

1.633**

(2.97)

(2.00)

(2.82)

(2.55)

(1.67)

(2.40)

IS

0.989***

0.373**

1.362***

0.968***

0.282**

1.250***

(4.31)

(2.25)

(3.81)

(4.13)

(2.07)

(3.76)

ER

−0.868

−0.296

−1.164

−1.133

−0.324

−1.457

(−0.34)

(−0.30)

(−0.33)

(−0.44)

(−0.40)

(−0.43)

FDI

0.0656***

0.0243*

0.0899***

0.0646**

0.0181*

0.0827**

(2.67)

(1.96)

(2.61)

(2.51)

(1.87)

(2.52)

stock

0.146***

0.0525***

0.198***

0.163***

0.0453***

0.209***

(4.88)

(3.10)

(5.45)

(4.94)

(2.85)

(5.58)