https://www.andrewheiss.com/blog/2024/03/21/demystifying-ate-att-atu/
Demystifying causal inference estimands: ATE, ATT, and ATU
Andrew Heiss
Thursday, March 21, 2024
"Importantly, we have to match or weight in a way that is appropriate to the estimand we care about. The matching procedure that we follow for finding the ATE can’t be used for finding the ATT..."