RIF Regression via Sensitivity Curves

Javier Alejo, Gabriel Montes Rojas () and Walter Sosa Escudero ()
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Gabriel Montes Rojas: Departmento de Economía, Universidad de Buenos Aires
Authors registered in the RePEc Author Service: Gabriel Montes-Rojas ()

No 159, Working Papers from Universidad de San Andres, Departamento de Economia

Abstract: This paper proposes an empirical method to implement the recentered influence function (RIF) regression of Firpo, Fortin and Lemieux (2009), a relevant method to study the effect of covariates on man statistics beyond the mean. In empirically relevant situations where the influence function is not available or difficult to compute, we suggest to use the sensitivity curve (Tukey, 1977) as a feasible alternative. This may be computationally cumbersome when the sample size is large. The relevance of the proposed strategy derives from the fact that, under general conditions, the sensitivity curve converges in probability to the influence function. In order to save computational time we propose to use a cubic splines non-parametric method for a random subsample and then to interpolate to the rest of the cases where it was not computed. Monte Carlo simulations show good finite sample properties. We illustrate the proposed estimator with an application to the polarization index of Duclos, Esteban and Ray (2004).

Keywords: recentered in uence function; sensitivity; inequality; polarization (search for similar items in EconPapers)
JEL-codes: J01 J31 (search for similar items in EconPapers)
Pages: 21 pages
Date: 2021-12, Revised 2021-12
New Economics Papers: this item is included in nep-ore
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https://webacademicos.udesa.edu.ar/pub/econ/doc159.pdf Version, December 2021. (application/pdf)

Related works:
Journal Article: RIF regression via sensitivity curves (2023)
Working Paper: RIF regression via sensitivity curves (2021)
Working Paper: RIF Regression via Sensitivity Curves (2021)
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