| Classification | Transportation | Tourism | Insurance | Finance | Others |
| DNT | 2740.90* | 67963.02*** | 612.21*** | 5270.86 | 510.63 |
|
| (1447.01) | (15282.67) | (219.08) | (5426.38) | (656.16) |
| DT | −1291.26 | −9851.25 | −138.20 | 1104.24 | −4.23 |
|
| (1650.68) | (8374.00) | (232.11) | (2477.31) | (669.93) |
| DN | 3089.50*** | 15362.67*** | 481.07*** | 3771.68* | 2577.67*** |
|
| (1170.07) | (4229.49) | (97.30) | (2214.63) | (598.89) |
| The other two policies | Yes | Yes | Yes | Yes | Yes |
| Gravity model factor | Yes | Yes | Yes | Yes | Yes |
| Sample number | 805 | 805 | 805 | 805 | 805 |
| R2 | 0.95 | 0.78 | 0.65 | 0.80 | 0.98 |
| Prob > F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |