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DiD diagnostics · community showcase

Unofficial community showcase of bacondecomp (Evan Flack; implements Goodman-Bacon 2021). Not affiliated with the author; all credit to them. Docs: github.com/evanjflack/bacondecomp

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DiD · panel

Goodman-Bacon decomposition: what your TWFE estimate is averaging (bacondecomp)

A two-way fixed-effects DiD is a weighted average of all possible 2×2 comparisons — including 'forbidden' ones that use already-treated units as controls. This shows you the weights.

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