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econ.EM2025
The purpose of an estimator is what it does: Misspecification, estimands, and over-identification
Isaiah Andrews, Jiafeng Chen, Otavio Tecchio
In over-identified models, misspecification -- the norm rather than exception -- fundamentally changes what estimators estimate. Different estimators imply different estimands rath…
econ.EM2025
Certified Decisions
Isaiah Andrews, Jiafeng Chen
Hypothesis tests and confidence sets are ubiquitous in empirical research, yet their connection to subsequent decision-making is often unclear. We view statistical inference as pai…