Polarization Orderings and New Classes of Polarization Indices

You-qiang, Wang; Tsui, Kai-yuen

doi:10.1111/1097-3923.00042

Cited by 150 publications

(141 citation statements)

References 2 publications

(2 reference statements)

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“…The 'normalization axiom' of univariate polarization measurement (Wang and Tsui (2000), Chakravarty and Majumder (2001)) states that polarization reaches its minimum value (= 0) when all the individuals have the same income, i.e. in the case of an egalitarian distribution.…”

Section: Minimum Polarizationmentioning

confidence: 99%

“…These pioneering papers have been followed by many others, among them Chakravarty and Majumder (2001), Esteban et al (1999), Wang and Tsui (2000), D´Ambrosio (2001), Gradín (2000), Duclos et al (2004). All these papers study polarization in terms of the distribution of incomes and measure how much this distribution spreads out from its center, dividing the population into at least two groups that are homogeneous and well separated from each other.…”

Section: Introductionmentioning

confidence: 99%

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Constructing indices of multivariate polarization

Gigliarano

Mosler

2008

J Econ Inequal

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Multivariate indices of polarization are constructed to measure effects of non-income attributes like wealth and education. Adopting the view of Esteban and Ray (1994), polarization is considered as the presence of groups which are internally homogeneous, externally heterogeneous, and of similar size. We propose a class of polarization indices which is built from measures of relative groups size and from decomposable indices of socio-economic inequality. For the latter, we employ the special inequality indices of Maasoumi (1986), Tsui (1995Tsui ( , 1999 and Koshevoy and Mosler (1997). Then, postulates for multidimensional polarization measurement are stated and discussed. The approach is illustrated by a numerical example.

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Section: Minimum Polarizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Constructing indices of multivariate polarization

Gigliarano

Mosler

2008

J Econ Inequal

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“…This category includes the ER indices, proposed by Esteban and Ray (1994), and the EGR indices, proposed by Esteban et al (2007), both designed for general cases of polarisation, as well as the measures proposed by Wolfson (1994Wolfson ( , 1997 and by Wang and Tsui (2000), designed specifically for the bipolar case. The second category includes the Z-K index, proposed by Zhang and Kanbur (2001).…”

Section: Methodological Aspectsmentioning

confidence: 99%

“…The EGR measures seem, for various reasons, to be preferable to those proposed by Wolfson (1994Wolfson ( , 1997 and Wang and Tsui (2000). First, they are theoretically derived from the establishment of conflict models.…”

Section: Methodological Aspectsmentioning

confidence: 99%

“…The first of these is the endogenous approach, in which groups (of countries, in our case) are formed on the basis of similarities, using mechanisms aimed at minimising intra-group differences. The polarisation indices developed by Esteban and Ray (1994) and Esteban et al (2007) for multiple-pole cases and by Wolfson (1994Wolfson ( , 1997 and Wang and Tsui (2000) for the specific bipolar case are commonly cited examples of this approach. The second is the exogenous approach, comprising methods in which groups are determined ex-ante, for instance on the basis of geographical criteria.…”

Section: Introductionmentioning

confidence: 99%

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Cross-Country Polarisation in CO2 Emissions Per Capita in the European Union: Changes and Explanatory Factors

Duro

Padilla

2012

Environ Resource Econ

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In this study, we analyse the degree of polarisation-a concept fundamentally different from that of inequality-in the international distribution of CO 2 emissions per capita in the European Union. It is analytically relevant to examine the degree of instability inherent to a distribution and, in the analysed case, the likelihood that the distribution and its evolution will increase or decrease the chances of reaching an agreement. Two approaches were used to measure polarisation: the endogenous approach, in which countries are grouped according to their similarity in terms of emissions, and the exogenous approach, in which countries are grouped geographically. Our findings indicate a clear decrease in polarisation since the mid-1990s, which can essentially be explained by the fact that the different groups of countries have converged (i.e. antagonism among the CO 2 emitters has decreased) as the contribution of energy intensity to between-group differences has decreased. This lower degree of polarisation in CO 2 distribution suggests a situation more conducive to the possibility of reaching EU-wide agreements on the mitigation of CO 2 emissions.

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Social Polarization

Maggino¹,

Fattore²

2019

Wiley StatsRef: Statistics Reference Online

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The term “social polarization” is used to describe a society that is composed of different socially identifiable and separate groups. Social polarization is a key feature of many modern societies and is potentially linked to conflicts, alienation, and societal tensions. When concerning income, polarization (or, more precisely, bipolarization) describes the so‐called disappearance‐of‐the‐middle‐class phenomenon, that is, the tendency of the income distribution to become U‐shaped, with the population shifting toward the two extremes of the income range, emptying the central part of it. Polarization is a different concept from inequality and requires different indexes to be measured. Many formulas exist in the statistical literature, both for univariate cardinal and ordinal variables, but there still lacks a satisfactory measurement theory for multidimensional polarization.

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Polarization Orderings and New Classes of Polarization Indices

Cited by 150 publications

References 2 publications

Constructing indices of multivariate polarization

Constructing indices of multivariate polarization

Cross-Country Polarisation in CO2 Emissions Per Capita in the European Union: Changes and Explanatory Factors

Social Polarization

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