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Another twist on the equality of OLS and GLS

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Abstract

We give a neccessary and sufficient condition for the equality of theOLS andGLS estimator of a subset of the regression coefficients in a linear model.

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References

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Research supported by Volkswagenstiftung (Krämer). We are grateful to Götz Trenkler and an anonymous referee for helpful discussions and comments.

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Krämer, W., Bartels, R. & Fiebig, D.G. Another twist on the equality of OLS and GLS. Statistical Papers 37, 277–281 (1996). https://doi.org/10.1007/BF02926589

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  • DOI: https://doi.org/10.1007/BF02926589

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