| Types of interaction | Different tests | Statistics | P-Value |
| Spatial Error (λ) | Lagrange multiplier | 13.03 | 0.000 |
| Robust Lagrange Multiplier | 52.63 | 0.000 | |
| Décalage spatial (ρ) | Lagrange multiplier | 0.193 | 0.660 |
| Robust Lagrange Multiplier | 39.793 | 0.000 |