What is the definition of bias?
When can we determine an estimator to be unbiased?
Why do we need further assumptions to establish statistical properties of the OLS estimators?
What are the simple linear regression assumptions?
Example for omitted variable bias.
Further analysis omitted variable bias.
How do we interpret multivariate regression analyses?
what does a change in the same coefficient from a univariate model mean in a multivariate regression model?
What are dummy variables?
How do we interpret dummy variables?
How do we interpret a model with only dummy variables?
Overview: Interactions with dummies
Explain the kitchen sink problem.
What are the assumptions for the multivariate regression model?
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