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econ.EM2025
Triple Instrumented Difference-in-Differences
Sho Miyaji
In this paper, we formalize a triple instrumented difference-in-differences (DID-IV). In this design, a triple Wald-DID estimand, which divides the difference-in-difference-in-diff…
econ.EM2024★ 1 cited
Two-way fixed effects instrumental variable regressions in staggered DID-IV designs
Sho Miyaji
Many studies run two-way fixed effects instrumental variable (TWFEIV) regressions, leveraging variation in the timing of policy adoption across units as an instrument for treatment…
econ.EM2024★ 1 cited
Instrumented Difference-in-Differences with Heterogeneous Treatment Effects
Sho Miyaji
Many studies exploit variation in the timing of policy adoption across units as an instrument for treatment. This paper formalizes the underlying identification strategy as a stagg…