Sumários
Econometric Models with Endogenous Explanatory Variables
26 Outubro 2026, 18:00 • Joaquim Ramalho
3. Econometric Models with Endogenous Explanatory Variables
3.1. Endogeneity
3.1.1. Definition and Consequences
3.1.2. Motivation: Omitted Variables, Measurement Errors, Simultaneous Equations
3.1.3. Solutions: Instrumental Variables, Panel Data
3.2. Instrumental Variable Estimation
3.2.1. Two-stage Least Squares (2SLS)
3.2.2. Generalized Method of Moments (GMM)
3.3. Specification Tests
3.3.1. Test for the Exogeneity of an Explanatory Variable
3.3.2. Test for the Exogeneity of the Instrumental Variables
3.3.3. Tests for Correlation between Instrumental Variables and Explanatory Variables
Illustration 4 (questions 1-3.2)
Model Evaluation
12 Outubro 2026, 18:00 • Joaquim Ramalho
2.5. Model
Evaluation
Illustration 1
(questions 5-6)