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Fast Algorithms for Quantile Regression with Selection

  • Santiago Pereda-Fernández ORCID logo EMAIL logo
Published/Copyright: July 9, 2025
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Abstract

The estimation of Quantile Regression with Selection (QRS) requires the estimation of the entire quantile process several times to estimate the parameters that model self-selection. Moreover, closed-form expressions of the asymptotic variance are too cumbersome, making the bootstrap more convenient to perform inference. I propose streamlined algorithms for the QRS estimator that significantly reduce computation time through preprocessing techniques and quantile grid reduction for the estimation of the parameters. I show the optimization enhancements and how they can improve the precision of the estimates without sacrificing computational efficiency with some simulations.

JEL Classification: C31; C87

Corresponding author: Santiago Pereda-Fernández, Departamento de Economía, Universidad de Cantabria, Avenida de los Castros, s/n, 39005 Santander, Spain, E-mail: 

Award Identifier / Grant number: RMZ-18

Award Identifier / Grant number: MCIN/AEI/10.13039/501100011033

Acknowledgments

I would like to thank Manuel Arellano Stéphane Bonhomme, and Domenico Depalo for helpful comments and discussion. This work is part of the I + D + i project Ref. TED2021-131763A-I00 financed by MCIN/AEI/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR. I gratefully acknowledge financial support from the Spanish Ministry of Universities and the European Union-NextGenerationEU (RMZ-18).

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Received: 2024-06-20
Accepted: 2025-06-17
Published Online: 2025-07-09

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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