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Comparison of Local Projection Estimators for Proxy Vector Autoregressions

Aufsätze referiert extern - Web of Science

Martin Bruns, Helmut Lütkepohl

In: Journal of Economic Dynamics & Control 134 (2022), 104277, 17 S.

Abstract

Different local projection (LP) estimators for structural impulse responses of proxy vector autoregressions are reviewed and compared algebraically and with respect to their small sample suitability for inference. Conditions for numerical equivalence and similarities of some estimators are provided. Two generalized least squares (GLS) projection estimators are found to be more accurate than the other LP estimators in small samples. In particular, a lag-augmented GLS estimator tends to be superior to its competitors and to perform as well as a standard VAR estimator for sufficiently large samples.



JEL-Classification: C32
Keywords: Structural vector autoregression, Local projection, Impulse responses, Instrumental variable
DOI:
https://doi.org/10.1016/j.jedc.2021.104277
Supplementary Data S1
https://ars.els-cdn.com/content/image/1-s2.0-S0165188921002128-mmc1.pdf

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