McGraw-Hill (the publisher) provides official PPTs for verified instructors. If you are a teaching assistant or professor, this is the gold standard.
A weak PPT will list assumptions; a great PPT will explain why they matter. Under Gujarati’s framework, the Gauss-Markov theorem states OLS is BLUE (Best Linear Unbiased Estimator). basic econometrics gujarati ppt
Why include ( u_i )? Gujarati lists:
Students need a visual intuition of how much variation is explained. Why include ( u_i )