| Classification | The output of trade in services | |||
| (1) | (2) | (3) | (4) | |
| DNT | 10945.98** | 10923.11** | 10709.23** | 10707.73** |
|
| (4881.91) | (4838.29) | (4801.23) | (4813.74) |
| DT | 4018.19** | 4021.00** | 4737.19*** | 4739.83*** |
|
| (1565.08) | (1563.84) | (1679.76) | (1690.04) |
| DN | 2706.46*** | −1337.67 | −2392.41 | −1501.51 |
|
| (516.20) | (1887.15) | (1873.83) | (1983.21) |
| Other two policies | No | Yes | No | Yes |
| Gravity model factor | No | No | Yes | Yes |
| Sample number | 4036 | 4036 | 4036 | 4036 |
| R2 | 0.13 | 0.13 | 0.16 | 0.16 |
| Prob > F | 0.00 | 0.00 | 0.00 | 0.00 |