3 papers
stat.ME2026
Causal Effects of Modified Treatment Policies under Positivity Violations: A Partial Identification Approach
Taehyeon Koo, Elizabeth A. Stuart, Kara E. Rudolph +1
Modified treatment policies (MTPs) are interventions based on each individual's natural treatment value. We study mean outcomes under MTPs for continuous treatments, including expo…
stat.ME2026
Synthetic Control with Weight Uncertainty: Robust Identification and Statistical Inference
Taehyeon Koo, Zijian Guo
The synthetic control method estimates causal effects by comparing a treated unit with weighted controls matched on its pre-treatment trajectory. However, validity can be compromis…
stat.ME2025
Design-based Causal Inference for Incomplete Block Designs
Taehyeon Koo, Nicole E. Pashley
Researchers often turn to block randomization to increase the precision of their inference or due to practical considerations, such as in multisite trials. However, if the number o…