children =β 0+β 1age+β 2 age 2 +β 3 educ+β 4 tν+β 5 urban+uby OLS and report the results in equation form, along with the sample size and
R-squared. Also report both the usual and heteroskedasticity-robust standard errors in parentheses and brackets, respectively. Are the robust standard errors always bigger than the usual standard errors in this case?
