Nonstationarity: Trends

Time series assumption

Time Series Models

Instrument Validity

Identification

Instrumental Variables: Mechanics

Two Stage Least Squares (2SLS)

Quasi-Experiments: Instrumental Variables

Potential Outcomes

Experiments

Internal Validity in Experiments

Quasi-experiments: difference-in-differences

Quasi-experiments: regression discontinuity

Goodness of Fit, Likelihood Ratio Test

Logit and Probit

Interaction Variables

Dummy Variables

Regression Mechanics

Instrumental Variables

Measurement error

Fixed effects in panel data

Simultaneous Equations and Instrumental Variables

F Tests for Linear Restrictions

Sampling Distributions

Omitted Variable Bias

Hypothesis Testing

Properties of Regression

Regression Interpretation and Goodness of Fit

Nonlinear Models

Binary dependent variables