Smoothed instrumental variables quantile regression

David Kaplan

Papers from arXiv.org

Abstract: In this article, I introduce the sivqr command, which estimates the coefficients of the instrumental variables (IV) quantile regression model introduced by Chernozhukov and Hansen (2005). The sivqr command offers several advantages over the existing ivqreg and ivqreg2 commands for estimating this IV quantile regression model, which complements the alternative "triangular model" behind cqiv and the "local quantile treatment effect" model of ivqte. Computationally, sivqr implements the smoothed estimator of Kaplan and Sun (2017), who show that smoothing improves both computation time and statistical accuracy. Standard errors are computed analytically or by Bayesian bootstrap; for non-iid sampling, sivqr is compatible with bootstrap. I discuss syntax and the underlying methodology, and I compare sivqr with other commands in an example.

Date: 2023-10
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Published in Stata Journal 22 (2022) 379-403

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Journal Article: Smoothed instrumental variables quantile regression (2022)
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:2310.09013

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