被解释变量 | 探索式创新投入(R) | |||
模型(1) | 模型(2) | |||
| (1) | (2) | (3) | (4) |
Debt | −0.026*** | −0.013*** | −0.008*** | −0.002 |
| (−10.469) | (−5.296) | (−2.607) | (−0.515) |
YF |
|
| 0.034*** | 0.027*** |
|
|
| (10.301) | (9.242) |
DebtYF |
|
| −0.061*** | −0.045*** |
|
|
| (−4.021) | (−3.287) |
Fix |
| −0.019*** |
| −0.017*** |
|
| (−6.239) |
| (−5.777) |
Cfo |
| −0.003 |
| −0.001 |
|
| (−0.388) |
| (−0.164) |
Sale |
| 0.012*** |
| 0.013*** |
|
| (9.462) |
| (10.406) |
Age |
| −0.011*** |
| −0.009*** |
|
| (−7.444) |
| (−6.394) |
TBQ |
| 0.004*** |
| 0.004*** |
|
| (13.169) |
| (12.555) |
Board |
| 0.001 |
| −0.001 |
|
| (0.223) |
| (−0.350) |
_cons | 0.032*** | 0.046*** | 0.023*** | 0.036*** |
| (52.928) | (6.647) | (25.082) | (5.388) |
N | 8366 | 8366 | 8366 | 8366 |
Adj-R2 | 0.261 | 0.382 | 0.302 | 0.408 |
Year | YES | YES | YES | YES |
Ind | YES | YES | YES | YES |
Prov | YES | YES | YES | YES |