variable

x1

x2

x3

x4

x5

x6

Commercial efficiency

R & D efficiency

Commercial Human Resources

R & D Human Resources

Commercial assets

R & D assets

Parameter estimates

61172.45***

57835.33***

6.4498***

6.1524***

1.3363***

1.3071***

t value

4.8270

4.4480

10.1744

9.7551

10.0427

10.2792

P-value (bilateral probability)

0.0000

0.0001

0.0000

0.0000

0.0000

0.0000

R^2

0.4455

0.4056

0.7812

0.7664

0.7767

0.7846