307 citations · 394 across the 2 of their papers we have counts for
2 papers
econ.EM2022★ 307 cited
Two-stage differences in differences
John Gardner
A recent literature has shown that when adoption of a treatment is staggered and average treatment effects vary across groups and over time, difference-in-differences regression do…
econ.EM2021★ 87 cited
{did2s}: Two-Stage Difference-in-Differences
Kyle Butts, John Gardner
Recent work has highlighted the difficulties of estimating difference-in-differences models when treatment timing occurs at different times for different units. This article introd…