Covariate adjustment in experiments with matched pairs

• Main Authors: BAI, Yuehao, JIANG, Liang, ROMANO, Joseph P., SHAIKH, Azeem M., ZHANG, Yichong
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2023
• Subjects: Experiment; matched pairs; covariate adjustment; randomized controlled trial; treatment assignment; LASSO; Econometrics
• Online Access: https://ink.library.smu.edu.sg/soe_research/2684; https://ink.library.smu.edu.sg/context/soe_research/article/3683/viewcontent/2302.04380.pdf
• Institution: Singapore Management University

This paper studies inference on the average treatment effect in experiments in which treatment status is determined according to “matched pairs” and it is additionally desired to adjust for observed, baseline covariates to gain further precision. By a “matched pairs” design, we mean that units are s...