Independent variables

Innovative sales as dependent variable

Model 1

Model 2

Model 3

Model 4

R&D capacity

19.53***

19.85***

19.76***

12.26***

14.41

14.03

14.04

7.08

Size

0.317***

0.324***

0.334***

0.326***

6.05

5.94

6.06

6.21

Export

1.608***

1.607***

1.608***

1.622***

11.27

11.23

11.19

11.34

Wave2006

0.0861***

0.0837***

0.0834***

0.0835***

14.62

14.3

14.36

14.74

Industry dummies

−0.166

−0.203

−0.248

−0.198

(−0.56)

(−0.67)

(−0.82)

(−0.71)

Gov R&D

2.571

1.078*

−5.117**

(0.77)

−2.17

(−3.25)

Gov R&D squared

−4.083***

−8.589

(−3.35)

(−1.69)

R&D capacity × Gov R&D

146.4***

5.7

constant

3.487***

3.488***

3.426***

3.552***

14.41

14.23

13.64

15.02

obs

593

593

593

593

Log likelihood

−539.2825

−779.6141

−779.2744

−763.2764

Wald chi2

616.82

600.13

606.42

718.15