Heteroskedasticity-Robust Inference in Finite Samples
10 Pages Posted: 25 Dec 2011 Last revised: 12 May 2023
Date Written: December 2011
Abstract
Since the advent of heteroskedasticity-robust standard errors, several papers have proposed adjustments to the original White formulation. We replicate earlier findings that each of these adjusted estimators performs quite poorly in finite samples. We propose a class of alternative heteroskedasticity-robust tests of linear hypotheses based on an Edgeworth expansions of the test statistic distribution. Our preferred test outperforms existing methods in both size and power for low, moderate, and severe levels of heteroskedasticity.
Suggested Citation: Suggested Citation
Hausman, Jerry A. and Palmer, Christopher, Heteroskedasticity-Robust Inference in Finite Samples (December 2011). NBER Working Paper No. w17698, Available at SSRN: https://ssrn.com/abstract=1976514
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