Table 4 The REPU potentials in Nigeria
Covariates | VIF | Level | Effect size | Wald (p-value) |
|---|---|---|---|---|
Potential renewable energy (solar) PU | 1.864 | Very low | 0.390 (0.056–2.724) | 0.902 (0.342) |
Low | 0.209 (0.037–1.189) | 3.114 (0.078) | ||
High | 0.533 (0.087–3.254) | 0.465 (0.495) | ||
Very high | 1.669 (0.348–7.998) | 0.411 (0.521) | ||
Excellent (ref.) | – | – | ||
Potential renewable energy (wind) PU | 1.146 | Very low | 0.025 (0.001–0.528) | 5.619 (0.018)* |
Low | 0.015 (0.001–0.337) | 7.010 (0.008)** | ||
High | 0.019 (0.001–0.453) | 5.996 (0.014)* | ||
Very high | 0.029 (0.001–0.772) | 4.469 (0.035)* | ||
Excellent (ref.) | – | – | ||
Potential renewable energy (biofuel) PU | 1.829 | Very low | 2.297 (0.329–16.030) | 0.704 (0.401) |
Low | 1.592 (0.210–12.069) | 0.202 (0.653) | ||
High | 4.030 (0.695–23.354) | 2.417 (0.120) | ||
Very high | 2.053 (0.334–12.606) | 0.603 (0.437) | ||
Excellent (ref.) | – | – |