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1. (3pts) From a simple linear regression model, yt=+xt+t, we can obtain the estimators, ^ and ^ in the OLS sense. Then, prove the following
1. (3pts) From a simple linear regression model, yt=+xt+t, we can obtain the estimators, ^ and ^ in the OLS sense. Then, prove the following fact: Cov(^,^)=t=1Txt2Tx2x2,whereVar(t)=2andx=T1t=1Txt
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International Finance
Authors: Keith Pilbeam
2nd Edition
0333730976, 978-0333730973
