| Cons |
| −0.022 | −0.012 |
| Equ. Guin ec | −0.268** | −0.206* | −0.234** |
| D.STAP | −0.136* | − | −0.118* |
| D.COCO | −0.005 | −0.061 | − |
| D.FBCF | 0.0 | 0.001 | 0.001 |
| D.TRAD | 0.001 | 0.0 | 0.001 |
| D.REER | 0.002 | −0.002 | 0.0 |
| Cons | −0.055 | −0.006 | 0.033 |
| Gabon ec | −0.644** | −0.529** | −0.525** |
| D.STAP | −0.289 | − | −0.140 |
| D.COCO | 0.158 | 0.036 | − |
| D.FBCF | 1.01 | 0.009* | 0.01* |
| D.TRAD | 0.003 | 0.0 | 0.003 |
| D.REER | 0.004 | −0.005 | −0.002 |
| Cons | 0.135 | 0.140 | 0.131 |
| N | 120 | 120 | 120 |