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Serial correlation and heteroskedasticity correction.
| Random Effect Model | Random Effect Model (with Arellano) | |
|---|---|---|
| (Intercept) | 50.46*** | 50.46*** |
| (0.37) | (0.52) | |
| Happiness | 3.41*** | 3.41*** |
| (0.44) | (0.57) | |
| R^2 | 0.65 | |
| Adj. R^2 | 0.55 | |
| Num obs. | 29.939 |
***p<0.001; **p<0.01; *p<0.05
