activity
20152024
most citedIsolation in the construction of natural experiments

22 citations · 27 across the 5 of their papers we have counts for

collaborators

5 papers

stat.ME20241 cited

An Anatomy of Event Studies: Hypothetical Experiments, Exact Decomposition, and Weighting Diagnostics

Zhu Shen, Ambarish Chattopadhyay, Yuzhou Lin +1

In recent decades, event studies have emerged as a central methodology in health and social research for evaluating the causal effects of staggered interventions. In this paper, we…

stat.ME2023

Scalable kernel balancing weights in a nationwide observational study of hospital profit status and heart attack outcomes

Kwangho Kim, Bijan A. Niknam, José R. Zubizarreta

Weighting is a general and often-used method for statistical adjustment. Weighting has two objectives: first, to balance covariate distributions, and second, to ensure that the wei…

stat.ML20234 cited

Multiply Robust Federated Estimation of Targeted Average Treatment Effects

Larry Han, Zhu Shen, Jose Zubizarreta

Federated or multi-site studies have distinct advantages over single-site studies, including increased generalizability, the ability to study underrepresented populations, and the…

cs.LG2023

Doubly Robust Counterfactual Classification

Kwangho Kim, Edward H. Kennedy, José R. Zubizarreta

We study counterfactual classification as a new tool for decision-making under hypothetical (contrary to fact) scenarios. We propose a doubly-robust nonparametric estimator for a g…

stat.AP201522 cited

Isolation in the construction of natural experiments

José R. Zubizarreta, Dylan S. Small, Paul R. Rosenbaum

A natural experiment is a type of observational study in which treatment assignment, though not randomized by the investigator, is plausibly close to random. A process that assigns…