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stat.ME2026
Beyond principal ignorability: Nonparametric sensitivity bounds for principal stratification
Xinyuan Chen, Michael O. Harhay, Fan Li
Principal stratification is an effective framework addressing intermediate variables in causal inference. However, point identification of the principal causal effects (PCEs) often…
stat.ME2026
Optimal estimation of generalized causal effects in cluster-randomized trials with multiple outcomes
Xinyuan Chen, Fan Li
Cluster-randomized trials (CRTs) are used to evaluate group-level interventions and can collect multiple outcomes capturing complementary dimensions of benefit and risk. Investigat…