Manipulating an Instrumental Variable in an Observational Study of Premature Babies: Design, Bounds, and Inference
早产儿观察研究中的工具变量强化：设计、界限与推断
Regionalization of intensive care for premature infants refers to a triage system that directs mothers to hospitals with varying capabilities based on the risks their babies face. Given the limited capacity of highly specialized hospitals, understanding the impact of delivering premature infants at these facilities on infant mortality could facilitate the design of a more efficient perinatal regionalization system. To address this, Baiocchi et al. proposed strengthening a…