| variant | radius match | nuclear matching | 1:4 near-neighbour matching in calipers | ||||||
| (8) | (9) | (10) | (11) | (12) | (13) | (14) | (15) | (16) | |
| BC | −0.016*** | −0.017*** | −0.015*** | −0.016*** | −0.017*** | −0.015*** | −0.016*** | −0.017*** | −0.015*** |
| (−4.32) | (−4.72) | (−4.11) | (−4.30) | (−4.70) | (−4.09) | (−4.32) | (−4.72) | (−4.11) | |
| BC × INST |
| −0.001*** |
|
| −0.001*** |
|
| −0.001*** |
|
|
| (−2.76) |
|
| (−2.72) |
|
| (−2.76) |
| |
| INST |
| 0.001*** |
|
| 0.001*** |
|
| 0.001*** |
|
|
| (3.75) |
|
| (3.67) |
|
| (3.75) |
| |
| BC × Indep |
|
| −0.001** |
|
| −0.001** |
|
| −0.001** |
|
|
| (−1.98) |
|
| (−1.97) |
|
| (−1.97) | |
| Indep |
|
| 0.001 |
|
| 0.001 |
|
| 0.001 |
|
|
| (1.18) |
|
| (1.23) |
|
| (1.18) | |
| Ind/Year/ Controls | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| cons | 0.087** | 0.117*** | 0.078** | 0.089** | 0.120*** | 0.079* | 0.087** | 0.117*** | 0.078** |
| (2.33) | (3.05) | (2.08) | (2.05) | (2.72) | (1.83) | (2.33) | (3.05) | (2.08) | |
| N | 15584 | 15584 | 15584 | 15573 | 15573 | 15573 | 15584 | 15584 | 15584 |
| R2 | 0.170 | 0.171 | 0.170 | 0.169 | 0.170 | 0.169 | 0.170 | 0.171 | 0.170 |