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Confidence Interval Estimation for Inequality Indices of the Gini Family

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Abstract

In this paper we present some nonparametric bootstrap methods to constructdistribution-free confidence intervals for inequality indices belonging to theGini family. These methods have a coverage accuracy better than that obtainedwith the asymptotic distribution of their natural estimators, typically thestandard normal. The coverage performances of these methods are evaluated forthe index R by Gini with a Monte Carlo experiment on samples simulated fromthe Dagum income model (Type I), which is usually used to describe the incomedistribution.

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Palmitesta, P., Provasi, C. & Spera, C. Confidence Interval Estimation for Inequality Indices of the Gini Family. Computational Economics 16, 137–147 (2000). https://doi.org/10.1023/A:1008761721593

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