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econ.EM2026
A Practical Guide to Instrumental Variables Methods with Heterogeneous Treatment Effects
Tymon SÅoczyÅski, Liyang Sun, S. Derya Uysal
Instrumental variables (IV) methods are central to applied microeconomics. While classical approaches assume linear models with constant effects, recent literature has shifted towa…
econ.EM2025
Using Multiple Outcomes to Improve the Synthetic Control Method
Liyang Sun, Eli Ben-Michael, Avi Feller
When there are multiple outcome series of interest, Synthetic Control analyses typically proceed by estimating separate weights for each outcome. In this paper, we instead propose…
econ.EM2024
Temporal Aggregation for the Synthetic Control Method
Liyang Sun, Eli Ben-Michael, Avi Feller
The synthetic control method (SCM) is a popular approach for estimating the impact of a treatment on a single unit with panel data. Two challenges arise with higher frequency data…