| S/N | Methodology | Results | Total | Percentage % | ||
| Positive | Negative | Mixed | ||||
| 1 | Regression Model | 6 | 5 | 3 | 14 | 26.92 |
| 2 | Dynamic Panel Data | 9 | 1 | 3 | 13 | 25.00 |
| 3 | Multiple Regression Analysis | 6 | 6 | 0 | 12 | 23.08 |
| 4 | Pooled Ordinary Least Square (OLS) | 2 | 0 | 1 | 3 | 5.77 |
| 5 | Generalized Method of Moments (GMM) | 1 | 1 | 0 | 2 | 3.85 |
| 6 | Fixed Effect Model | 1 | 1 | 0 | 2 | 3.85 |
| 7 | 2 Stage regression analysis | 1 | 0 | 0 | 1 | 1.92 |
| 8 | OLS and GMM | 0 | 1 | 0 | 1 | 1.92 |
| 9 | (FsQCA)** | 0 | 1 | 0 | 1 | 1.92 |
| 10 | Partial Adjustments model | 0 | 0 | 1 | 1 | 1.92 |
| 11 | Threshold estimation technique | 0 | 0 | 1 | 1 | 1.92 |
| 12 | General Linear Model/Cluster Analysis | 1 | 0 | 0 | 1 | 1.92 |
| Total | 52 | 100.00 | ||||