2 papers
econ.EM2026
Inference for Linear Systems with Unknown Coefficients
Yuehao Bai, Kirill Ponomarev, Andres Santos +3
This paper considers the problem of testing whether there exists a solution satisfying certain non-negativity constraints to a linear system of equations. Importantly and in contra…
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…