10.2 Different Averages

ATE

Average Treatment Effect

• If we impose treatment on everyone
• Usually what we want to estimate

CATE

Conditional Average Treatment Effect

• If subsetting the groups
• Doesn’t generalize to everyone

ATT

Average Treatment on the Treated

ATUT

Average Treatment on the Untreated

Marginal treatment effect

The treatment effect of the next individual that would be treated if treatment were expanded.

Weighted average treatment effect

A treatment effect average where each individual’s treatment effect is weighted differently.

Variance-weighted average treatment effect

A treatment effect average where each individual’s treatment effect is weighted based on how much variation there is in their treatment variable, after closing back doors.