Completed in Stata, R and Python
| Born in the 1st or 2nd quarter of year | Born in the 3rd or 4th quarter of year | Difference | |
|---|---|---|---|
| ln(weekly wage) | 5.893844 | 5.905829 | 0.0119847 |
| Years of education | 12.716122 | 12.821813 | 0.1056907 |
| Wald estimate | NA | NA | 0.1133937 |
| Wald std error | NA | NA | 0.0215257 |
| OLS estimate | NA | NA | 0.0708510 |
| OLS std error | NA | NA | 0.0003386 |
