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econ.EM2026
Identification and Estimation of Staggered Difference-in-Differences with Network Spillovers
Hayato Tagawa
This paper studies staggered difference-in-differences designs in which treated and comparison units can be exposed to other units' adoption. Using an exposure mapping specified by…
econ.EM2024
Identification and Bayesian Inference for Synthetic Control Methods with Spillover Effects
Shosei Sakaguchi, Hayato Tagawa
The synthetic control method (SCM) is widely used for causal inference with panel data, particularly when the number of treated units is small. It relies on the stable unit treatme…