| The explanatory variables | Coefficient |
| Fixed value | 17.76 (8.56) |
| The logarithm of GDP of exporting country | 1.87 (17.36) |
| The logarithm of GDP of importing country | 0.061 (4.85) |
| Population logarithm of the exporting country | −1.61 (−11.22) |
| Population logarithm of the importing country | 0.74 (31.72) |
| Logarithm of the real exchange rate of the exporting country | −0.091 (−11.59) |
| Logarithm of the real exchange rate of the importing country | −0.074 (−7.912) |
| Logarithm of the distance between capitals of importing and exporting countries | −0.13 (−2.57) |
| Virtual boundary common variable | 0.62 (11.44) |
| The virtual variable of common religion (cultural similarities) | 0.65 (8.09) |
| Similarity variable cosinij | 1.55 (11.21) |
| Number of observations | 100 |
| R2 | %61 |
| F | 302.8 |