2 papers
econ.EM2026
Granular Instrumental Variables: Estimation and Inference
Jinyong Hahn, Niu He, Zhipeng Liao +1
We develop an estimation and inference framework for granular instrumental variables (GIVs) in models with latent aggregate shocks. Our key insight is that valid GIVs are character…
econ.EM2024
Overidentification in Shift-Share Designs
Jinyong Hahn, Guido Kuersteiner, Andres Santos +1
This paper studies the testability of identifying restrictions commonly employed to assign a causal interpretation to two stage least squares (TSLS) estimators based on Bartik inst…