2 papers
stat.ME2025
Structural Nested Mean Models Under Parallel Trends with Interference
Zach Shahn, Paul Zivich, Audrey Renson
Despite the common occurrence of interference in Difference-in-Differences (DiD) applications, standard DiD methods rely on an assumption that interference is absent, and comparati…
stat.ME2025
Using causal diagrams to assess parallel trends in difference-in-differences studies
Audrey Renson, Oliver Dukes, Zach Shahn
Difference-in-differences (DID) is popular because it can allow for unmeasured confounding when the key assumption of parallel trends holds. However, there exists little guidance o…