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econ.EM2026
What's the Magic Formula Instrument?
Peizan Sheng, Alexander Torgovitsky
Two recent papers by Borusyak and Hull (2023, 2026) propose using known formulas to adjust linear instrumental variable estimators for confounding covariates. Implementing this "fo…
econ.EM2020
Inference for Large-Scale Linear Systems with Known Coefficients
Zheng Fang, Andres Santos, Azeem M. Shaikh +1
This paper considers the problem of testing whether there exists a non-negative solution to a possibly under-determined system of linear equations with known coefficients. This hyp…