| Model | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 |
| Regressors | ||||||
| HDI (−1) | 0.199* | 0.203* | 0.204* | 0.204* | 0.191 | 0.194 |
| (1.66) | (1.69) | (1.72) | (1.71) | (1.52) | (1.55) | |
| AID POLIT | −0.083 | −0.084 | −0.081 | −0.077 | −0.084 | −0.085 |
| (1.22) | (1.27) | (1.20) | (1.16) | (1.23) | (1.27) | |
| POLIT * DSL | 0.004 | 0.004 | − | − | − | − |
| (1.24) | (1.23) | |||||
| AID * POLIT * DSL | 0.023*** | − | − | − | − | − |
| (4.89) | ||||||
| DEM | − | 0.009*** | − | − | − | − |
| (6.83) | ||||||
| DEM * DSL | − | − | 0.009 | 0.009 | − | − |
| (1.16) | (1.15) | |||||
| AID * DEM * DSL | 0.063*** | − | − | − | ||
| (7.63) | ||||||
| AUT | 0.020*** | − | − | |||
| (7.67) | ||||||
| AUT * DSL | −0.012 | −0.012 | ||||
| (1.48) | (1.45) | |||||
| AUT * DSL | − | − | − | − | −0.020** | − |
| (2.59) | ||||||
| AID * AUT * DSL | −0.01*** | |||||
| (4.48) | ||||||
| PPE ME | ||||||
| GDPPC (−1) | 0.083** | 0.081** | 0.077** | 0.075** | 0.085*** | 0.083** |
| (2.63) | (2.57) | (2.29) | (2.23) | (2.78) | (2.71) | |
| DSL | −0.076* | −0.078* | −0.076* | −0.077* | −0.072* | −0.075* |
| (1.77) | (1.79) | (1.81) | (1.84) | (1.73) | (1.76) | |
| Contant | 0.106 | 0.106 | 0.106 | 0.112 | 0.104 | 0.104 |
| (1.39) | (1.42) | (1.36) | (1.44) | (1.33) | (1.36) | |
| −0.301*** | −0.301*** | −0.458*** | −0.471*** | −0.293*** | −0.268*** | |
| (4.13) | (4.13) | (6.00) | (6.42) | (3.96) | (3.73) | |
| −1.387** | −1.372** | −1.401** | −1.443** | −1.346** | −1.335** | |
| (2.14) | (2.17) | (2.13) | (2.22) | (2.03) | (2.06) | |
| No. of Obs. | 135 | 135 | 135 | 135 | 135 | 135 |
| No. of Instruments | 17 | 20 | 17 | 18 | 17 | 20 |
| F-Stat | 129.70 | 120.75 | 670.55 | 873.9 | 130.27 | 103.29 |
| AR (2) | 0.614 | 0.557 | 0.751 | 0.756 | 0.583 | 0.582 |
| Hansen Test for (OIR) | 0.251 | 0.577 | 0.322 | 0.373 | 0.284 | 0.590 |