Variable | Sub-sample 1 (duality organization) | Sub-sample 2 (specialization organization) | ||||
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |
Control variable |
| |||||
GC | 0.906*** | 0.486** | 0.454** | 0.400*** | 0.275*** | 0.302*** |
AGE | −0.034** | −0.013 | −0.010 | 0.003 | 0.002 | 0.001 |
R & D | 0.597** | 0.124* | 0.965* | 0.638*** | 0.333*** | 0.580*** |
UIC | 0.360 | 0.452* | 0.464* | 0.685*** | 0.445*** | 0.351*** |
Independent variable |
| |||||
TL |
| 0.147*** | 0.276*** |
| 0.269*** | 0.286*** |
SL |
| 0.416*** | 0.616*** |
| 0.250*** | 0.348*** |
IE |
|
| 0.123** |
|
| −1.100* |
Result of regression |
| |||||
R2 | 0.472 | 0.714 | 0.732 | 0.784 | 0.848 | 0.859 |
Adjusted R2 | 0.440 | 0.688 | 0.704 | 0.766 | 0.827 | 0.836 |
F-statistic | 15.17*** | 27.437*** | 25.411*** | 41.831*** | 40.854*** | 37.494*** |