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Inequality index analysis using the influence function

delete2026-10-02
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PRE
AI
L
Lucio Barabesi *
F
Federico Crescenzi
M
Mori, Lorenzo
DOI:10.1080/03610926.2026.2671319delete
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Abstract

Abstract

En 中文
We consider a general family of statistical functionals and introduce a formula to obtain the corresponding influence function. The method can be effectively applied to derive in a simple way the influence function of large classes of inequality indices, which encompasses the majority of the inequality measures usually adopted by field researchers. In many cases, our findings also provide new explicit expressions for the influence function of such inequality measures.
Keywords:
Statistical functional
Fr & eacute
chet derivative
G & acirc
teaux derivative
Inequality measure

Journal

C
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS
IF:
0.8
Papers:
221
Citations:
0

Organization

U
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230
Papers: 274
Citations: 1
U
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Papers: 2.5K
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