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econ.EM2026
Group-Level Treatment Effect Heterogeneity in Difference-in-Differences: A Balanced Approach
Nora Bearth, Nadja van 't Hoff, Torben S. D. Johansen
Understanding how treatment effects vary across groups is central to policy evaluation. In Difference-in-Differences designs, heterogeneity is often studied using subgroup or tripl…
econ.EM2024
Identifying Causal Effects of Discrete, Ordered and ContinuousTreatments using Multiple Instrumental Variables
Nadja van 't Hoff
Inferring causal relationships from observational data is often challenging due to endogeneity. This paper provides new identification results for causal effects of discrete, order…