93. GAUSS MARKOV'S THEOREM | Econometrics | Concepts discussion by Sumita Biswas (Exam Important)

#econometrics #gaussmarkovtheorem #blue
The Gauss Markov theorem says that, under certain conditions, the ordinary least squares (OLS) estimator of the coefficients of a linear regression model is the best linear unbiased estimator (BLUE), that is, the estimator that has the smallest variance among those that are unbiased and linear in the observed output variables.
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Can u put forward the proof of gauss markov theorem ??

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