| Method | OLS | FE | OLS | FE |
| Dependent Variable |
|
| ||
| Defense expenses—country 2 | (3) | (4) | ||
| Independent Variables |
|
| ||
| Exports_1 to 2 | 0.121* | 0.125** |
|
|
| Exports_2 to 1 | 0.007 | 0.077 |
|
|
| Imports_1 to 2 |
|
| 0.093 | 0.095 |
| Imports_2 to 1 |
|
| 0.110 | 0.112 |
| Constant term | 0.064** | 0.064*** | 0.061** | 0.061** |
| F-stat | 121.21 |
| 1.886 |
|
| J-stat |
| 74.580 |
| 1.939 |
| p-value | 0.001 | 0.013 | 0.162 | 0.340 |