Consider the constant-term-only regression model Yt = 0 + ut, where ut follows the stationary AR(1) model
Question:
with mean 0 and variance
a. Show that the OLS estimator is
b. Show that the (infeasible) GLS estimator is β0GLS =
c. Show that β0GLS can be written as β0GLS =
d. Derive the difference β0 - β0GLS and discuss why it is likely to be small when T is large.
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a This follows from the material around equation 32 b Quasidifferencing ...View the full answer
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Related Book For
Introduction to Econometrics
ISBN: 978-0133595420
3rd edition
Authors: James H. Stock, Mark W. Watson
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