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Two-stage difference-in-differences · community showcase

Unofficial community showcase of did2s (Gardner; Butts & Gardner). Not affiliated with the authors; all credit to them. Docs: github.com/kylebutts/did2s

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DiD · panel

Two-stage difference-in-differences (did2s)

Gardner's 2-stage estimator for staggered DiD: residualize on the untreated, then estimate the event study — fast and timing-robust.

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