I am an Assistant Professor in the Department of Economics at Columbia University.
Email: hc3516@columbia.edu
I am an Assistant Professor in the Department of Economics at Columbia University.
Email: hc3516@columbia.edu
Publications
Completion of TP and TN border patterns. (2020) Linear and Multilinear Algebra, Volume 68, 1753-1766. (with Charles Johnson)
Exact Bias Correction for Linear Adjustment of Randomized Controlled Trials. (2024). Econometrica, Volume 92, 1503-1519. (with P.M. Aronow and Joel Middleton)
Design-Based Inference for Spatial Experiments under Unknown Interference (2025). The Annals of Applied Statistics, 19(1): 744-768. (with Ye Wang, Cyrus Samii, P.M. Aronow).
Fast Permutation Inference for Randomized Experiments with Binary Outcomes (2025). Journal of Econometrics, Volume 251. (with P. M. Aronow and Patrick Lopatto).
A Meta-learner for Heterogeneous Effects in Difference-in-Differences (2025). ICML. (with Hui Lan, Eleanor Dillon, and Vasilis Syrgkanis).
Randomization-Based Confidence Intervals For the Local Average Treatment Effect (2026). Biometrika, Volume 113. (with P. M. Aronow and Patrick Lopatto).
[Link to arXiv] [package: rilate]
Approximating Choice Data by Discrete Choice Models. Management Science, Accepted. (with Yusuke Narita and Kota Saito).
[Link to arXiv] [replication files]
Working Paper
Design-based Estimation Theory for Complex Experiments. [Link to arXiv]
Randomization Inference For the Always-Reporter Average Treatment Effect (with Zeyang Yu) [Link to arXiv]
Alternative Computational Formulations for Testing Discrete-Choice Random Utility Models (with Kota Saito and Mingxi Zhu) [package: d-rum-testing-gpu]