model | (1) | (2) | (3) | (7) | (8) | (9) |
The independent variables | Size | Indep | Common | Size | Indep | Common |
L.RDSpend | 3.833*** | 11.663*** | 8.423** | 1.303*** | 11.984*** | 23.805** |
| (3.34) | (3.61) | (0.47) | (1.31) | (3.64) | (1.88) |
AR(1) | 6.15 | 7.88 | 7.44 | 2.70 | 8.08 | 0.27 |
AR(2) | 1.48 | 1.07 | 1.01 | 0.72 | 1.05 | 1.14 |
hansen | 0.138 | 0.465 | 0.519 | 0.471 | 0.417 | 0.785 |
N | 4376 | 4376 | 4376 | 4376 | 4376 | 4376 |