New DiD sensitivity framework explains how pre-trend violations arise from confounders

analisereal · x · 2026-09-17

The author argues this framework complements prior work benchmarking parallel-trends violations via pre-trends (e.g., Rambachan & Roth), by explaining how such violations could arise. Under this view, pre-trend extrapolation becomes one of several ways to benchmark the strength of confounding in difference-in-differences designs.

Related event: New DiD Sensitivity Framework Gauges Confounding via Pre-Trends(2 posts)→

Original post →

More from Research

Research channel →