Equation (4.1) | Equation (4.2) | Equation (4.3) | |
Constant | −34.330 | −36.549 | −14.410 |
(8.372) | (8.468) | (5.623) | |
Gross national expenditure (% of GDP) | 0.236 | 0.285 | 0.192 |
(0.066) | (0.062) | (0.046) | |
Industry, value added (% of GDP) | 0.271 | 0.264 | |
(0.100) | (0.124) | ||
Trade openness (% GDP) | 0.046 | ||
(0.023) | |||
Share of agriculture to GDP | −0.096 | ||
(0.050) | |||
Tariff rate, all products (%) | 0.180 | 0.207 | |
(0.091) | (0.092) | ||
AID (% of GDP) | 0.035 | 0.022 | 0.011 |
(0.011) | (0.009) | (0.007) | |
Observation | 83 | 83 | 109 |
R-squared | 0.49 | 0.45 | 0.38 |