Topic: Weighting and Stratification

Why Inverse Probability Weighting Identifies the ATE

Variance of the Inverse Probability Weighted Mean

Weighting Within Strata to Standardize Covariates

Weights for the Average Treatment Effect on the Treated

Weights for the Average Treatment Effect on the Untreated

Unequal Stratum Sizes and Target-Population Weights

Treatment-Effect Heterogeneity Across Strata

The Pseudo-Population Interpretation of Weighting

Stabilized Inverse Probability Weights

Subclassification on the Propensity Score