|
| (1) | (2) | (3) | (4) |
| InInvia | lnPatent | InInvia | lnPatent | |
| DT | 0.1615*** | 0.1650*** |
|
|
| (6.7912) | (7.5141) |
|
| |
| DT2 |
|
| 0.0037*** | 0.0047*** |
|
|
| (4.9033) | (7.0447) | |
| _cons | −7.1128*** | −6.0359*** | −7.2523*** | −15.3923*** |
| (−8.9978) | (−4.9430) | (−9.1483) | (−16.2643) | |
| Controls | Yes | Yes | Yes | Yes |
| Year | Yes | Yes | Yes | Yes |
| Industry | Yes | Yes | Yes | Yes |
| N | 6272 | 6272 | 6174 | 6174 |
| r2_a | 0.1742 | 0.2688 | 0.1714 | 0.3783 |
| F | 60.1189 | 41.9361 | 47.5933 | 52.3542 |