**Lecture Notes**

**ECON 30331/Econometrics**

**Fall 2013**

·
**Why econometrics? Wednesday, August 27 ^{th}: [Download
notes in PPT handout mode]**

·
**Class introduction, moving from correlation
to causation, Wednesday, August 27 ^{th}: [Download notes in PPT
handout mode]**

·
**Chapter 2, The bivariate regression model,
Monday September 1, 3 and 8 [Download PPT notes]**

**Detailed derivations. This is a 15-page handout that includes all
the important derivations I will do at the board for this chapter, the topics
include:**

·
**Important properties of summations**

·
**Deriving the OLS estimates**

·
**Deriving the R-squares**

·
**OLS estimates are unbiased**

·
**The variance of OLS estimates**

·
**Chapter 3, The
multivariate regression model, September 10, 15, 17**

** PPT notes, Chapter 3**

**Detailed
derivations for multivariate
models. The topics include**

·
**Deriving the
estimates in multivariate models**

·
**Omitted variables
bias in the multivariate model**

·
**The “partialling” out property of multivariate models**

·
**A note on variances
in multivariate models**

·
**Chapter
4, Statistical inference, September 17 and 22**

** PPT notes, Part 1: Inference about 1
parameter**

** PPT notes, Part 2: Tests of multiple parameters**