Beta Unbiasedness | Consistency | Efficiency | Residual Value | R Value | OLS | Econometrics MidTerm

Chapter 2 - Motivation
0:26 Unbiased, efficiency, consistency
1:20 Simple Linear Regression
1:30 Derive variance of beta hat
2:35 Format
3:00 Show Beta is unbiased - Proof
3:05 Show beta consistent - Proof. Efficient (no proof)
3:56 Fitted Value, Residual Value and R2
4:08 Fitted Value
4:55 Residuals
5:03 R2
6:43 Interpret beta hat
7:38 UHat / Residual standard error
8:15 Residual standard error in R
8:40 Interpret the coefficient of residual standard error
9:20 What is the unit of residual standard error? Unit of Y
10:30 What is the unit of residual standard error in log Y? It doesn't apply
11:04 t Test
11:27 t ratio
12:50 p value
13:39 Confidence Interval
15:00 Elasticity and interpretation of the coefficient
16:30 Overspecification and under specification
16:51 Over specification
17:20 Under specification
17:50 Adjusted R2
18:00 Exam
18:16 Q1 Proof question
18:30 Q2 Case 1 or Case 2

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