For a Random Effects Model the Least Squares Estimator Is

question 6

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