108 citations · 355 across the 29 of their papers we have counts for
6 papers · 1 filter
Risk Set Matched Difference-in-Differences for the Analysis of Effect Modification in an Observational Study on the Impact of Gun Violence on Health Outcomes
Eric R. Cohn, Zirui Song, Jose R. Zubizarreta
Gun violence is a major source of injury and death in the United States. However, relatively little is known about the effects of firearm injuries on survivors and their family mem…
Targeted Quality Measurement of Health Care Providers
Yige Li, Nancy L. Keating, Mary Beth Landrum +1
Assessing the quality of cancer care administered by US health providers poses numerous challenges due to meaningful heterogeneity in patient populations. Patients undergoing oncol…
Building Representative Matched Samples with Multi-valued Treatments in Large Observational Studies
Magdalena Bennett, Juan Pablo Vielma, Jose R. Zubizarreta
In this paper, we present a new way of matching in observational studies that overcomes three limitations of existing matching approaches. First, it directly balances covariates wi…
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…
Matching for balance, pairing for heterogeneity in an observational study of the effectiveness of for-profit and not-for-profit high schools in Chile
José R. Zubizarreta, Ricardo D. Paredes, Paul R. Rosenbaum
Conventionally, the construction of a pair-matched sample selects treated and control units and pairs them in a single step with a view to balancing observed covariates $\mathbf{x}…
Stronger instruments via integer programming in an observational study of late preterm birth outcomes
José R. Zubizarreta, Dylan S. Small, Neera K. Goyal +2
In an optimal nonbipartite match, a single population is divided into matched pairs to minimize a total distance within matched pairs. Nonbipartite matching has been used to streng…