(1)

(2)

(3)

lnpatent

lnpatent

lnpatent

Fin

−0.812***

−0.711***

−0.752***

(−6.85)

(−6.21)

(−6.32)

MI

0.610***

(34.84)

interactMI

−0.354***

(−4.20)

EI

−0.526***

(−11.40)

interactEI

0.552**

(2.27)

ROA

0.567***

−0.535***

0.712***

(4.06)

(−3.75)

(5.05)

Growth

0.057***

0.090***

0.061***

(2.86)

(4.60)

(3.04)

Board

0.858***

0.625***

0.746***

(13.55)

(10.39)

(11.68)

Share

0.100

0.149**

0.032

(1.39)

(2.16)

(0.45)

OGR

−0.124***

−0.103***

−0.115***

(−8.47)

(−7.18)

(−7.79)

_cons

−1.823***

−8.844***

−1.435***

(−8.63)

(−31.08)

(−6.68)

N

18096

18096

18096

r2

0.170

0.237

0.175

Ind

Yes

Yes

Yes

Year

Yes

Yes

Yes