Ap821203 - ApEc 8212 Econometric Analysis II Lecture#3 Review of Linear Models and OLS Estimation(Wooldridge Chapter 4 This lecture will review much of

Ap821203 - ApEc 8212 Econometric Analysis II Lecture#3...

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1 ApEc 8212 Econometric Analysis II – Lecture #3 Review of Linear Models and OLS Estimation (Wooldridge, Chapter 4) This lecture will review much of the material you had in Apec 8211, but in a way that will prepare you for topics that will be covered this semester that you have not seen before. I hope you appreciate that it is much less theoretical than the material in Lectures 1 and 2, although I will often refer to the material in those two lectures (which covered Wooldridge’s Chapters 2 and 3). I. Overview of the Single Equation Linear ModelStart with a model that shows a linear relationship between the dependent variable, y, and the explanatory variables in the vector x : ȕ + u .
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2 x ǯ ȕ
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3 . if x x
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4 .
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