Variable | High-income | Upper-middle-income | Lower-middle-income | Low-income | ||||
---|---|---|---|---|---|---|---|---|
Model 1 | Model 2 | Model 1 | Model 2 | Model 1 | Model 2 | Model 1 | Model 2 | |
Long-run estimate | ||||||||
 GDP | − 0.272 | 0.654** | 1.184*** | 1.964*** | − 1.198*** | − 1.415*** | − 7.810*** | − 6.679*** |
(0.261) | (0.264) | (0.183) | (0.222) | (0.358) | (0.524) | (2.358) | (2.037) | |
 GDP2 | 0.037*** | − 0.018 | − 0.080*** | − 0.101*** | 0.094*** | 0.107*** | 0.688*** | 0.542*** |
(0.013) | (0.013) | (0.012) | (0.013) | (0.023) | (0.033) | (0.189) | (0.168) | |
 ENG | 0.951*** | − 0.056 | 1.205*** | 2.638*** | 1.178*** | − 0.109 | 0.965*** | − 1.922*** |
(0.042) | (0.523) | (0.035) | (0.436) | (0.048) | (0.389) | (0.134) | (0.686) | |
 EDU | − 0.267*** | − 0.333** | 0.134 | 0.528*** | 0.209** | 0.896*** | 0.339*** | 3.269*** |
(0.089) | (0.169) | (0.100) | (0.076) | (0.089) | (0.169) | (0.089) | (0.571) | |
 ENG*EDU |  | − 0.206* |  | − 0.346*** |  | 0.285*** |  | 0.756*** |
 | (0.110) |  | (0.095) |  | (0.084) |  | (0.160) | |
Short-run estimate | ||||||||
 ECT | − 0.191*** | − 0.227*** | − 0.192*** | − 0.435*** | − 0.199*** | − 0.200*** | − 0.245*** | − 0.254*** |
(0.044) | (0.054) | (0.046) | (0.088) | (0.040) | (0.042) | (0.054) | (0.042) | |
 ΔGDP | 6.065 | 0.410 | 0.182 | 3.118 | − 4.198 | − 1.202 | − 14.925 | 10.686 |
(4.407) | (3.689) | (6.872) | (11.236) | (6.990) | (5.116) | (17.927) | (16.897) | |
 ΔGDP2 | − 0.294 | − 0.018 | − 0.015 | − 0.150 | 0.260 | 0.071 | 1.177 | − 0.793 |
(0.209) | (0.178) | (0.427) | (0.661) | (0.480) | (0.356) | (1.414) | (1.340) | |
 ΔENG | 0.685*** | 0.990 | 0.669*** | 5.654 | 0.587*** | 1.799 | 0.415*** | 0.595 |
(0.099) | (4.277) | (0.094) | (7.024) | (0.067) | (1.894) | (0.150) | (3.382) | |
 ΔEDU | − 0.115 | − 0.592 | − 0.237 | 0.244 | − 0.278** | − 0.559 | − 0.450 | − 0.666 |
(0.165) | (1.616) | (0.145) | (0.659) | (0.146) | (0.633) | (0.334) | (2.332) | |
 ΔENG*EDU |  | − 0.076 |  | − 1.152 |  | − 0.259 |  | − 0.048 |
 | (0.923) |  | (1.490) |  | (0.404) |  | (0.772) | |
 Constant | 0.434*** | − 0.188* | − 0.242 | − 3.337*** | 1.229*** | 0.808*** | 5.827*** | 2.767*** |
(0.122) | (0.103) | (0.249) | (0.713) | (0.266) | (0.197) | (1.286) | (0.482) |