[11]
Difference in difference meets generalized least squares: Higher order properties of hypotheses tests[J] . Jerry Hausman,Guido Kuersteiner.Journal of Econometrics . 2008 (2)
[11]
Difference in difference meets generalized least squares: Higher order properties of hypotheses tests[J] . Jerry Hausman,Guido Kuersteiner.Journal of Econometrics . 2008 (2)