A New Quota Approach to Electoral Disproportionality

In this paper electoral disproportionality is split into two types: (1) Forced or unavoidable, due to the very nature of the apportionment problem; and (2) non-forced. While disproportionality indexes proposed in the literature do not distinguish between such components, we design an index, called &...

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Main Authors: Miguel Martínez-Panero, Verónica Arredondo, Teresa Peña, Victoriano Ramírez
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Economies
Subjects:
Online Access:http://www.mdpi.com/2227-7099/7/1/17
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author Miguel Martínez-Panero
Verónica Arredondo
Teresa Peña
Victoriano Ramírez
author_facet Miguel Martínez-Panero
Verónica Arredondo
Teresa Peña
Victoriano Ramírez
author_sort Miguel Martínez-Panero
collection DOAJ
description In this paper electoral disproportionality is split into two types: (1) Forced or unavoidable, due to the very nature of the apportionment problem; and (2) non-forced. While disproportionality indexes proposed in the literature do not distinguish between such components, we design an index, called “quota index”, just measuring avoidable disproportionality. Unlike the previous indexes, the new one can be zero in real situations. Furthermore, this index presents an interesting interpretation concerning transfers of seats. Properties of the quota index and relationships with some usual disproportionality indexes are analyzed. Finally, an empirical approach is undertaken for different countries and elections.
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spelling doaj.art-4fb25f25f775479196dc360a55f3afc12022-12-22T03:10:04ZengMDPI AGEconomies2227-70992019-03-01711710.3390/economies7010017economies7010017A New Quota Approach to Electoral DisproportionalityMiguel Martínez-Panero0Verónica Arredondo1Teresa Peña2Victoriano Ramírez3PRESAD Research Group, BORDA Research Unit, IMUVa, Departamento de Economía Aplicada, Universidad de Valladolid, 47011 Valladolid, SpainPRESAD Research Group, Unidad Académica de Matemáticas, Universidad Autónoma de Zacatecas, Zacatecas 98000, MexicoPRESAD Research Group, BORDA Research Unit, IMUVa, Departamento de Economía Aplicada, Universidad de Valladolid, 47011 Valladolid, SpainDepartamento de Matemática Aplicada, Universidad de Granada, 18071 Granada, SpainIn this paper electoral disproportionality is split into two types: (1) Forced or unavoidable, due to the very nature of the apportionment problem; and (2) non-forced. While disproportionality indexes proposed in the literature do not distinguish between such components, we design an index, called “quota index”, just measuring avoidable disproportionality. Unlike the previous indexes, the new one can be zero in real situations. Furthermore, this index presents an interesting interpretation concerning transfers of seats. Properties of the quota index and relationships with some usual disproportionality indexes are analyzed. Finally, an empirical approach is undertaken for different countries and elections.http://www.mdpi.com/2227-7099/7/1/17electoral systemsproportionalityelectoral quotadisproportionality indexesmeasurementSpainSwedenGermany
spellingShingle Miguel Martínez-Panero
Verónica Arredondo
Teresa Peña
Victoriano Ramírez
A New Quota Approach to Electoral Disproportionality
Economies
electoral systems
proportionality
electoral quota
disproportionality indexes
measurement
Spain
Sweden
Germany
title A New Quota Approach to Electoral Disproportionality
title_full A New Quota Approach to Electoral Disproportionality
title_fullStr A New Quota Approach to Electoral Disproportionality
title_full_unstemmed A New Quota Approach to Electoral Disproportionality
title_short A New Quota Approach to Electoral Disproportionality
title_sort new quota approach to electoral disproportionality
topic electoral systems
proportionality
electoral quota
disproportionality indexes
measurement
Spain
Sweden
Germany
url http://www.mdpi.com/2227-7099/7/1/17
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