In this paper two innovative procedures for the decomposition of the Pietra index are proposed. The first one allows the decomposition by sources, while the second one provides the decomposition by subpopulations. As special case of the latter procedure, the “classical” decomposition in two components (within and between) can be easily obtained. A remarkable feature of both the proposed procedures is that they permit the assessment of the contribution to the Pietra index at the smallest possible level: each source for the first one and each subpopulation for the second one. To highlight the usefulness of these procedures, two applications are provided regarding Italian professional football (soccer) teams.

Zenga, M., Porro, F. (2023). Decompositions by sources and by subpopulations of the Pietra index: two applications to professional football teams in Italy. ASTA ADVANCES IN STATISTICAL ANALYSIS, 107(1-2), 73-100 [10.1007/s10182-021-00397-6].

Decompositions by sources and by subpopulations of the Pietra index: two applications to professional football teams in Italy

Zenga, Mariangela;
2023

Abstract

In this paper two innovative procedures for the decomposition of the Pietra index are proposed. The first one allows the decomposition by sources, while the second one provides the decomposition by subpopulations. As special case of the latter procedure, the “classical” decomposition in two components (within and between) can be easily obtained. A remarkable feature of both the proposed procedures is that they permit the assessment of the contribution to the Pietra index at the smallest possible level: each source for the first one and each subpopulation for the second one. To highlight the usefulness of these procedures, two applications are provided regarding Italian professional football (soccer) teams.
Articolo in rivista - Articolo scientifico
Decomposition by sources; Decomposition by subpopulations; Income inequality; Pietra index;
English
19-apr-2021
2023
107
1-2
73
100
open
Zenga, M., Porro, F. (2023). Decompositions by sources and by subpopulations of the Pietra index: two applications to professional football teams in Italy. ASTA ADVANCES IN STATISTICAL ANALYSIS, 107(1-2), 73-100 [10.1007/s10182-021-00397-6].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/311688
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