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20132020
most citedStronger instruments via integer programming in an observational study of late preterm birth outcomes

54 citations · 85 across the 7 of their papers we have counts for

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stat.ME2019

Re-Evaluating Strengthened-IV Designs: Asymptotic Efficiency, Bias Formula, and the Validity and Power of Sensitivity Analyses

Siyu Heng, Bo Zhang, Xu Han +2

Instrumental variables (IVs) are extensively used to estimate treatment effects when the treatment and outcome are confounded by unmeasured confounders; however, weak IVs are often…