18 citations · 36 across the 15 of their papers we have counts for
16 papers
Policy effect evaluation under counterfactual neighborhood interventions in the presence of spillover
Youjin Lee, Gary Hettinger, Nandita Mitra
Policy interventions can spill over to units of a population that are not directly exposed to the policy but are geographically close to the units receiving the intervention. In re…
Estimation of Policy-Relevant Causal Effects in the Presence of Interference with an Application to the Philadelphia Beverage Tax
Gary Hettinger, Christina Roberto, Youjin Lee +1
To comprehensively evaluate a public policy intervention, researchers must consider the effects of the policy not just on the implementing region, but also nearby, indirectly-affec…
Leveraging baseline covariates to analyze small cluster-randomized trials with a rare binary outcome
Angela Y. Zhu, Nandita Mitra, Karla Hemming +2
Cluster-randomized trials (CRTs) involve randomizing entire groups of participants -- called clusters -- to treatment arms but are often comprised of a limited or fixed number of a…
Addressing Positivity Violations in Causal Effect Estimation using Gaussian Process Priors
Yaqian Zhu, Nandita Mitra, Jason Roy
In observational studies, causal inference relies on several key identifying assumptions. One identifiability condition is the positivity assumption, which requires the probability…
Combining Real-World and Randomized Control Trial Data Using Data-Adaptive Weighting via the On-Trial Score
Joanna Harton, Brian Segal, Ronac Mamtani +2
Clinical trials with a hybrid control arm (a control arm constructed from a combination of randomized patients and real-world data on patients receiving usual care in standard clin…
Identifying optimally cost-effective dynamic treatment regimes with a Q-learning approach
Nicholas Illenberger, Andrew J. Spieker, Nandita Mitra
Health policy decisions regarding patient treatment strategies require consideration of both treatment effectiveness and cost. Optimizing treatment rules with respect to effectiven…