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 | |
CCMG results | ||||||||
 GDP | 6.886* | 8.213** | 0.987** | − 0.420 | − 20.41*** | − 13.27*** | − 24.44*** | 0.748 |
(3.655) | (4.010) | (0.484) | (4.677) | (2.319) | (1.822) | (3.083) | (3.041) | |
 GDP2 | − 0.345* | − 0.408** | − 0.042 | 0.044 | 1.379 | 0.901*** | 1.919 | 0.055 |
(0.184) | (0.202) | (0.298) | (0.289) | (1.566) | (0.123) | (2.392) | (2.449) | |
 ENG | 0.810*** | − 4.227 | 1.037*** | 7.403*** | 0.839*** | 2.275 | 0.628*** | 2.462*** |
(0.102) | (6.329) | (0.056) | (0.634) | (0.084) | (2.891) | (0.134) | (0.290) | |
 EDU | 0.168*** | − 1.341*** | − 0.483** | 0.386 | − 0.183** | − 1.199 | − 0.570** | − 1.796 |
(0.023) | (0.258) | (0.228) | (0.402) | (0.077) | (0.957) | (0.192) | (1.905) | |
 ENG*EDU |  | − 1.077*** |  | − 1.378*** |  | 0.298*** |  | − 0.356 |
 | (0.361) |  | (0.372) |  | (0.061) |  | (0.652) | |
 Trend | 0.013** | 0.013** | 0.007* | 0.007** | 0.022*** | 0.017** | 0.044*** | 0.043*** |
(0.006) | (0.005) | (0.004) | (0.004) | (0.005) | (0.007) | (0.011) | (0.012) |