Samii, Cyrus; Aronow, Peter M. - In: Statistics & Probability Letters 82 (2012) 2, pp. 365-370
This paper demonstrates that the randomization-based “Neyman” and constant-effects estimators for the variance of estimated average treatment effects are equivalent to a variant of the White “heteroskedasticity-robust” estimator and the homoskedastic ordinary least squares (OLS)...