For a Random Effects Model the Least Squares Estimator Is

Multiple Choice

For a random effects model the least squares estimator is unbiased and consistent.The errors can be corrected for potential heterogeneity using _________________,but the estimator with minimum variance is _______________.

A) cluster-robust standard errors,GLS
B) White's correction,ML
C) 2SLS,fixed effects
D) cluster-robust standard errors,pooled