2 papers
econ.EM2026
Limitations of Randomization Tests in Finite Samples
Deniz Dutz, Xinyi Zhang
Randomization tests deliver exact finite-sample Type 1 error control when the null satisfies the randomization hypothesis. In practice, achieving these guarantees often requires st…
stat.ME2024
Identification and estimation of causal effects using non-concurrent controls in platform trials
Michele Santacatterina, Federico Macchiavelli Giron, Xinyi Zhang +1
Platform trials are multi-arm designs that simultaneously evaluate multiple treatments for a single disease within the same overall trial structure. Unlike traditional randomized c…