%0 Journal Article %A Erkki P. Liski %A Götz Trenkler %T MSE-Improvement of the Least Squares Estimator by Dropping Variables. %J Metrika %D 1993 %P 263-269 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1993__40_2_176472/ %F MET_1993__40_2_176472