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    Introductory Econometrics
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    Exam 8: Heteroskedasticity
  5. Question
    Consider the Following Regression Model: Y<sub>i</sub>=β<sub>0</sub>+β<sub>1</sub> X<sub>i</sub>+u<sub>i</sub>
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Consider the Following Regression Model: Yi=β0+β1 Xi+ui

Question 17

Question 17

Multiple Choice

Consider the following regression model: yi=β0+β1 xi+ui.If the first four Gauss-Markov assumptions hold true,and the error term contains heteroskedasticity,then _____.


A) Var(ui|xi) =0
B) Var(ui|xi) =1
C) Var(ui|xi) = σi2
D) Var(ui|xi) =σ

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