Chernozhukov, Sant'Anna co-author new working paper on omitted variable bias in DiD designs

analisereal · x · 2026-09-17

Econometrician analisereal announced a new working paper, "Omitted Variable Bias in Difference-in-Differences Designs," examining how omitted variables distort DiD causal estimates.

The paper is co-authored with Juejue Wang, Pedro Sant'Anna (of Callaway–Sant'Anna estimator fame) and Victor Chernozhukov, a leading figure in causal inference and machine learning. The full paper link is available in the post.

Related event: Chernozhukov Team Releases Paper on Omitted Variable Bias in DID(2 posts)→

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