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Properties of shrinkageestimators in linear regression when disturbances are not normal
ULLAH, A.,
Moments of the Function of Non-normal Random Vector with Applications to Econometric Estimators and Test Statistics
Ullah, A., (1995)
"Higher Order Moments of Econometric Estimators and test Statistics Under Non-Normality : A unified Approach".
Ullah, A., (1991)