2 papers
econ.EM2026
Identification and Estimation of Staggered Difference-in-Differences with Network Spillovers
Hayato Tagawa
This paper develops a difference-in-differences framework for staggered policy adoption when units can be affected by other units' adoption. For each treated cohort and event time,…
econ.EM2026
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…