Question: If Yt= Co + C1 X+ c2Z + e + = 1, 2, ..., X and zero mean et are stochastically independent, and et =

If Yt= Co + C1 X+ c2Z + e + =

If Yt= Co + C1 X+ c2Z + e + = 1, 2, ..., X and zero mean et are stochastically independent, and et = p ex1 + ut where p * 0, ut is mean zero i.i.d., then GLS can be performed using Select one: O a. repeated OLS O b. generalizing the covariance matrix of ur and then applying OLS. O c. estimating up and transforming Y. X. Zt using this estimates O d. estimating rand transforming Y. X. Zt using this estimates

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