Consider the following linear regression model: Yt = Bo + B₁x1t + B₂X2+ + Ut Instead of estimating , and B₂, you are required to use the following linear regression model: Yt Yo + Y₁X1 + 1/₂@₁ + & where is the residual from the regression of x2 on Xit

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Author:Amos Gilat
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Consider the following linear regression model:
Yt = Bo + B₁x₁t + B₂x2t + Ut
Instead of estimating, and B₂, you are required to use the following linear regression model:
Yt = Yo + Y₁X₁t+Y₂Wt + &t
where is the residual from the regression of x2 on X₁t
i)
Show that 2 is identical to ₂.
ii)
Show that is identical to the estimated slope coefficient in the
Yt= Po + ₁x₁ + vt
Transcribed Image Text:Consider the following linear regression model: Yt = Bo + B₁x₁t + B₂x2t + Ut Instead of estimating, and B₂, you are required to use the following linear regression model: Yt = Yo + Y₁X₁t+Y₂Wt + &t where is the residual from the regression of x2 on X₁t i) Show that 2 is identical to ₂. ii) Show that is identical to the estimated slope coefficient in the Yt= Po + ₁x₁ + vt
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