5 citations · 7 across the 4 of their papers we have counts for
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Nonparametric Estimation of Local Treatment Effects with Continuous Instruments
Zhenghao Zeng, Alexander W. Levis, JungHo Lee +2
Instrumental variable methods are widely used to address unmeasured confounding, yet much of the existing literature has focused on the binary instrument setting. Extensions to con…
Local Effects of Continuous Instruments without Positivity
Prabrisha Rakshit, Alexander Levis, Luke Keele
Instrumental variables are a popular study design for the estimation of treatment effects in the presence of unobserved confounders. In the canonical instrumental variables design,…
Nonparametric identification and efficient estimation of causal effects with instrumental variables
Alexander W. Levis, Edward H. Kennedy, Luke Keele
Instrumental variables are widely used in econometrics and epidemiology for identifying and estimating causal effects when an exposure of interest is confounded by unmeasured facto…
Flexibly Estimating and Interpreting Heterogeneous Treatment Effects of Laparoscopic Surgery for Cholecystitis Patients
Matteo Bonvini, Zhenghao Zeng, Miaoqing Yu +2
Laparoscopic surgery has been shown through a number of randomized trials to be an effective form of treatment for cholecystitis. Given this evidence, one natural question for clin…