Panel | Variables | Coeff. | Std. err | Prob. |
|
LMI Countries | Export | 1.34 | 1.41 | 0.34 | Adj. R2 0.99 |
GDPi | 1.00 | 2.13 | 0.00a | ||
GDPj | 1.00 | 1.01 | 0.00a |
| |
POPi | 2.96 | 1.21 | 0.01a |
| |
POPj | −5.31 | 2.24 | 0.02a |
| |
INFRj | −2.13 | 4.63 | 0.64 |
| |
INSTQj | −1.51 | 6.22 | 0.01a |
| |
NRj | −1.14 | 6.76 | 0.86 |
| |
LI Countries | Export | 2.52 | 1.87 | 0.18 | Adj. R2 0.98 |
GDPi | 1.00 | 4.37 | 0.00a | ||
GDPj | 1.00 | 3.45 | 0.00a | ||
POPi | 3.33 | 1.75 | 0.05b |
| |
POPj | −5.24 | 3.76 | 0.16 |
| |
INFRj | −1.03 | 1.61 | 0.52 |
| |
INSTQj | 1.24 | 7.32 | 0.88 |
| |
NRj | −2.87 | 2.04 | 0.88 |
| |
ECOWAS Countries | Export | 6.93 | 4.02 | 0.08 | Adj. R2 0.99 |
GDPi | 1.00 | 8.26 | 0.00a | ||
GDPj | 1.00 | 4.25 | 0.00a | ||
POPi | 1.05 | 3.72 | 0.00a |
| |
POPj | −1.51 | 6.82 | 0.02a |
| |
INFRj | −2.43 | 2.64 | 0.92 |
| |
INSTQj | −1.07 | 1.59 | 0.50 |
| |
NRj | −5.86 | 1.70 | 0.97 |
|