GLS involves
A) writing the model in differences and estimating it by OLS, using HAC standard errors.
B) truncating the sample at both ends of the period, then estimating by OLS using HAC standard errors.
C) checking the AIC rather than the BIC in choosing the maximum lag-length of the regressors.
D) transforming the regression model so that the errors are homoskedastic and serially uncorrelated, and then estimating the transformed regression model by OLS.
Question 2
GLS is consistent and BLUE if
A) X is predetermined.
B) the error process is AR(1).
C) X is strictly exogenous.
D) all the roots are inside the unit circle.
Chest X-ray. A physician is examining chest X-rays with the aid of a plastic model of the bronchial
Sprain. A sprain involves damage to one or more ligaments, and is categorized into three degrees of
Eye Model
The human integration pyramid care model
Reading and Writing Disorders Produced by Brain Damage
Three-Box Model