9.2 Using Proxy variables for unobserved explanatory variables
6:17
9.2 Example of using a proxy variable
6:30
Endogeneity and Instrumental Variables
7:04
9.2a Using Lagged dependent variables as proxy variables
7:58
Omitted variable bias, long and short regression
4:39
Identification, Part 3: Instrumental Variables
12:49
Regression for Managers 4.3: Proxy Variables and Wrap-Up
13:57
9.4b Measurement error in an explanatory variable
20:29