|
| (1) | (2) | (3) |
| lnCI | lnCI | lnCI | |
| breadth | 0.001 |
|
|
|
| (0.0027) |
|
|
| depth |
| −0.005*** |
|
|
|
| (0.0016) |
|
| digit |
|
| −0.001* |
|
|
|
| (0.0006) |
| _cons | −2.013 | −1.145 | −1.737 |
|
| (5.7154) | (5.2132) | (5.4508) |
| control variables | Yes | Yes | Yes |
| city effect | Yes | Yes | Yes |
| time effect | Yes | Yes | Yes |
| R2 | 0.671 | 0.673 | 0.672 |
| F | 138.861 | 154.705 | 142.319 |
| N | 2583 | 2583 | 2583 |