model | (1) | (2) | (3) | (7) | (8) | (9) |
The dependent variable | Size | Indep | Common | R&D | R&D | R&D |
| 0.242*** | 0.581*** | 0.288** | 0.475*** | 1.141*** | 0.268** |
| (20.27) | (20.27) | (2.41) | (10.41) | (10.41) | (2.18) |
N | 5470 | 5470 | 5470 | 5470 | 5470 | 5470 |