Advanced econometrics

Chapter 9 : Endogeneity and instrumental variables

By Lund University

Endogeneity and instrumental variables

Endogeneity

Common situations where exogeneity will fail.

The linear regression model with “underspecification”

The linear regression model with “overspecification”

The linear regression model with a missing variable

The linear regression model with a missing variable, part 2

The linear regression model with a redundant variable

Measurement errors

Simultaneity

Underspecification

Missing variable

Measurement errors

Simultaneity

Instrumental variables

Instrumental variables

The linear regression model: the method of moments estimator

Instrumental variables

The instrumental variables (IV) estimator

The instrumental variables (IV) estimator, asymptotics

Simultaneity and instrumental variables

Instrumental variables in Stata

OLS as a method of moments estimator

Instrumental variables

The instrumental variables estimator

A matrix problem

The IV estimator, asymptotics