Main References

Callaway (2023, Handbook of Labor, Human Resources and Population Economics), [[published version]] [[draft version]]; the draft version is ungated and very similar to the published version.

Today is also based on the not-yet-made-publicly available manuscript Baker, Callaway, Cunningham, Goodman-Bacon, and Sant’Anna (be on the lookout for it over the next few days)

Data

Minimum Wage Example

Packages

List of packages useful DID packages \(+\) packages used to make slides

did, devtools::install_github("bcallaway11/did")
bacondecomp, devtools::install_github("evanjflack/bacondecomp")
did2s, devtools::install_github("kylebutts/did2s")
HonestDID, devtools::install_github("asheshrambachan/HonestDID")
qte devtools::install_github("bcallaway11/qte")
pte devtools::install_github("bcallaway11/pte")
ife devtools::install_github("bcallaway11/ife")
fixest
BMisc, devtools::install_github("bcallaway11/BMisc")
twfeweightts, devtools::install_github("bcallaway11/twfeweights")
ggplot2
dplyr
tidyr

Slides and Code

Part 1: Introduction to Causal Inference with Panel Data

Part 2: Difference-in-Differences with Staggered Treatment Adoption

Part 3: Relaxing the Parallel Trends Assumption

Part 4: More Complicated Treatment Regimes

Part 5: Alternative Identification Strategies

Honest DID Code