(1)

(2)

Innovation

Innovation

DF

0.007***

0.005*

(2.62)

(1.69)

Size

−0.000

(−0.34)

Lev

−0.009***

(−4.68)

Ownership

−0.009***

(−2.73)

Indep

−0.016***

(−3.12)

Dual

0.000

(0.42)

Fixed

0.009***

(3.09)

Audit

0.005***

(3.86)

Roa

−0.019***

(−18.58)

Growth

−0.007***

(−13.79)

Is

−0.007

(−0.62)

Pgdp

0.011*

(1.77)

常数项

0.025***

−0.057

(14.18)

(−0.84)

时间效应

YES

YES

个体效应

YES

YES

Within_R2

0.052

0.109

样本量

14199

14199