Download This PaperA Three Line Proof that OLS is BLUE
2 Pages Posted: 4 May 2012
Date Written: April 11, 2012
Abstract
We provide a three line proof that the Ordinary Least Squares estimator is the (conditionally) best linear unbiased estimator.
Keywords: efficiency, Gauss-Markov, OLS estimator
JEL Classification: C01, C13
Suggested Citation: Suggested Citation
White, Halbert L. and Cho, Jin Seo, A Three Line Proof that OLS is BLUE (April 11, 2012). Available at SSRN: https://ssrn.com/abstract=2050611 or http://dx.doi.org/10.2139/ssrn.2050611
Do you have a job opening that you would like to promote on SSRN?
Feedback
Feedback to SSRN
If you need immediate assistance, call 877-SSRNHelp (877 777 6435) in the United States, or +1 212 448 2500 outside of the United States, 8:30AM to 6:00PM U.S. Eastern, Monday - Friday.