Independent variables

Number of patent application as dependent variable

Model 1

Model 2

Model 3

Model 4

R&D capacity

15.03***

14.89***

14.74***

12.42***

−17.08

15.54

15.27

9.88

Size

−0.137***

−0.124***

−0.116**

−0.126***

(−3.96)

(−3.36)

(−3.11)

(−3.49)

Export

0.001***

0.001***

0.001***

0.001***

14.13

14.08

14.04

13.95

Wave2006

0.146***

0.146***

0.146***

0.146***

35.62

34.06

34.1

34.96

Industry dummies

0.671***

0.638**

0.599**

0.648**

3.51

3.14

2.92

3.27

Gov R&D

0.0382

1.462*

−0.78

(0.09)

(2.15)

(−0.66)

Gov R&D squared

−5.048**

−3.13

(−3.95)

(−1.12)

R&D capacity × Gov R&D

42.28*

2.39

constant

3.373***

3.342***

3.290***

3.406***

8.42

7.69

7.21

8.1

obs

590

590

590

590

Log likelihood

−510.7471

−525.2515

−512.2151

−505.3267

Wald chi2

1749.03

1753.96

18215.12

1824.61