变量

(1)

pgdp

(2)

lninnova

(3)

pgdp

minteg

0.0024^**

(2.33)

0.0147^***

(2.66)

0.0023^**

(2.28)

lninnova

0.0572^***

(3.34)

lnstu

0.0228

(0.64)

-0.0803^*

(-1.70)

0.0016

(0.05)

lngov

0.5266^***

(22.98)

0.9021^***

(16.07)

0.4502^***

(14.01)

lnexpo

0.1339^***

(5.50)

0.4041^***

(14.40)

0.1224^***

(5.03)

lncap

-0.0077

(-0.54)

0.0886^**

(2.20)

-0.0139

(-0.97)

C

2.1978^***

(5.95)

-7.1532^***

(-10.24)

3.2039^***

(6.77)

N

468

468

468

R²

0.5998

0.8508

0.6248