#statstab #394 Difference-in-Differences Estimation

Thoughts: A bit of love for the python coders. DiD with lots of examples and estimators.

#did #python #guide #observational #TWFE #causalinference

https://py-econometrics.github.io/pyfixest/difference-in-differences.html#pointwise-vs-simultaneous-inference-in-event-studies

Difference-in-Differences Estimation

Now with issue number in SMR🥳 Fixed Effects Individual Slopes (#FEIS) - How heterogenous effects of controls can change your results in #TWFE

Applications:
- #marriage wage premium
- returns to #preschool programs

#OpenAccess: https://doi.org/10.1177/0049124120926211

@sociology @socsciresearch

@deNew_John yeah, we have reached #TWFE debate level on mastodon. the world is whole again
This is the main Goodman-Bacon series of 2x2 #DiD that are added up to form the overall #TWFE ATT. See other TOOT for Stata source code
Again, here is the source code to the Goodman-Bacon Decomp example using Never Treated and Early and Late Treated in Stata. It follows the GB paper and refers to page and eqn numbers. It compares the bacondecomp results with those done by hand. #DiD #TWFE