DiD Advanced Tool I
Difference in Differences – Advanced tools (Part 1)
Reminders on Simple DiDs
o Canonical DiD
o TWFE DiD
The DiD Revolution
o What’s Trending in DiD?
o Non Parallel Trends
o Variation in the Treatment Timing
o Sampling Issues
Paper Illustration
Hands-on Session
📝 Main references: Baker et al (2022), Callaway and Sant’Anna (2021), Cunningham (2020), Goodman-Bacon (2021), Roth et al (2023).
🖫 Datasets: castle_doctrine_law from Cheng and Hoekstra (2013), callaway from Cunningham (subset from Callaway and Sant’Anna (2021)).