Formalizes three regimes of GIV instrument strength in large panels and derives consistency, rates, and inference rules for strong, nearly weak, and weak cases.
Instrumental Variables Regression with Weak Instruments
3 Pith papers cite this work. Polarity classification is still indexing.
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Transmission constraints raise the odds of suspected market power abuse by German power plants by 15-16% per GW reduction in scarce import/export headroom.
Develops a robust two-step two-sample IV estimator and associated overidentification and weak-instrument tests that use only six summary statistics and remain efficient under heteroskedasticity and sample heterogeneity.
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Granular Instrumental Variables in Large Panels: Identification and Inference Across Strong, Nearly Weak, and Weak GIV
Formalizes three regimes of GIV instrument strength in large panels and derives consistency, rates, and inference rules for strong, nearly weak, and weak cases.
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Two-Sample IV: Efficient Two-Step Estimation and Tests for Overidentification and Weak-Instruments
Develops a robust two-step two-sample IV estimator and associated overidentification and weak-instrument tests that use only six summary statistics and remain efficient under heteroskedasticity and sample heterogeneity.