Fast computation of exact confidence intervals for randomized experiments with binary outcomes. - P. M. Aronow; Haoge Chang; Patrick Lopatto (EC, 2023)

AI Revolution on Chat Bot: Evidence from a Randomized Controlled Experiment. - Sida Peng; Wojciech Swiatek; Allen Gao; Paul Cullivan; Haoge Chang (CoRR, 2024)

A Meta-learner for Heterogeneous Effects in Difference-in-Differences. - Hui Lan; Haoge Chang; Eleanor Dillon; Vasilis Syrgkanis (CoRR, 2025)