ANGHELACHE, Constantin; VOINEAGU, Vergil; MANOLE, Alexandru - In: Romanian Statistical Review Supplement 61 (2013) 2, pp. 161-166
Under the hypotheses IA and IB, OLS estimators are both linear and stationary. For it to provide the same minimum variance of all linear and stationary estimators and to take part of BLUE, it is necessary that the classical assumptions IIB and IIC should be available. As in the case of...