Proposing indicators to measure achievement and shortfall inequality consistently

Vega, Casilda Lasso de la; Aristondo, Oihana

doi:10.1016/j.jhealeco.2012.02.006

Cited by 22 publications

(16 citation statements)

References 17 publications

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“…Further complicating this issue is the fact that for all-or-none health states (e.g., presence or absence of disease) the magnitude of relative inequality will depend on whether one considers inequality in the presence or absence of disease [10,11,12,13,39,40]. For this reason, in comparing the magnitude of relative inequality between two counterfactual situations, decision-makers should be consistent in how the health state is defined.…”

Section: Key Attributes Of Health Inequality Measuresmentioning

confidence: 99%

Using Inequality Measures to Incorporate Environmental Justice into Regulatory Analyses

Harper

Ruder²,

Roman³

et al. 2013

IJERPH

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Formally evaluating how specific policy measures influence environmental justice is challenging, especially in the context of regulatory analyses in which quantitative comparisons are the norm. However, there is a large literature on developing and applying quantitative measures of health inequality in other settings, and these measures may be applicable to environmental regulatory analyses. In this paper, we provide information to assist policy decision makers in determining the viability of using measures of health inequality in the context of environmental regulatory analyses. We conclude that quantification of the distribution of inequalities in health outcomes across social groups of concern, considering both within-group and between-group comparisons, would be consistent with both the structure of regulatory analysis and the core definition of environmental justice. Appropriate application of inequality indicators requires thorough characterization of the baseline distribution of exposures and risks, leveraging data generally available within regulatory analyses. Multiple inequality indicators may be applicable to regulatory analyses, and the choice among indicators should be based on explicit value judgments regarding the dimensions of environmental justice of greatest interest.

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Section: Key Attributes Of Health Inequality Measuresmentioning

confidence: 99%

Using Inequality Measures to Incorporate Environmental Justice into Regulatory Analyses

Harper

Ruder²,

Roman³

et al. 2013

IJERPH

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“…This did not cause the health inequality literature to acknowledge that these are two different IECs representing two different vertical value judgments. Instead, the finding has rather started a quest for a consistent inequality measure (e.g., Lambert and Zheng, 2011;Lasso de la Vega and Aristondo, 2012) and has been used as an argument in favor of an absolute IEC as it ranks populations consistently (e.g., Erreygers, 2009a,b,c;Erreygers and van Ourti, 2011a;Lambert and Zheng, 2011). The only exception in the literature, as far as we know, is Petrie (2012, 2013).…”

Section: From Income To Healthmentioning

confidence: 99%

“…For a univariate index that is decomposable (c.f. Shorrocks, 1980), analyzing relative inequality of the joint distribution is equivalent to evaluating inequality of the distribution of either attainments or shortfalls using a subset of the indices suggested in a previous paper by Lasso de la Vega and Aristondo (2012). This class of indices is underpinned by the same IEC as Wagstaff's (2005) index (c.f.…”

Section: Contribution Of the Papermentioning

confidence: 99%

“…Among these are any Extended θ-IEC such that θ 1 = θ 2 , including the IEC underpinning the index suggested by Wagstaff (2005). However, if one truly considers it important to jointly measure the distributions of attainments and shortfalls, which is the main rationale behind the quest for a consistent inequality measure (compare Erreygers, 2009a,b;Lasso de la Vega and Aristondo, 2012;Lambert and Zheng, 2011), would one not call for an IEC that in addition to ranking populations consistently also weights relative differences in attainments and shortfalls equally for any health distribution? Even though the absolute IEC that underpins Erreygers' (2009a,c) index is the perfect linear combination between the two polar cases of the hs-relative compromise concept, it does not weight the polar cases equally (or independent of the mean).…”

Section: This Position Is Different From What Is Presented By Erreygementioning

confidence: 99%

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Lost in Translation: Rethinking the Inequality Equivalence Criteria for Bounded Health Variables

Kjellsson¹,

Gerdtham²

2013

Health and Inequality

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What change in the distribution of a population's health preserves the level of inequality? The answer to the analogous question in the context of income inequality lies somewhere between a uniform and a proportional change. These polar positions represent the absolute and the relative Inequality Equivalence Criterion (IEC), respectively. A bounded health variable may be presented in terms of both health attainments and shortfalls. As a distributional change cannot simultaneously be proportional to attainments and to shortfalls, relative inequality measures may rank populations differently from the two perspectives. In contrast to the literature that stresses the importance of measuring inequality in attainments and shortfalls consistently using an absolute IEC, this paper formalizes a new compromise concept for a bounded variable by explicitly considering the two relative IECs, defined with respect to attainments and shortfalls, to represent the polar cases of defensible positions.We use a surplus-sharing approach to provide new insights on commonly used inequality indices by evaluating the underpinning IECs in terms of how infinitesimal surpluses of health must be successively distributed to preserve the level of inequality. We derive a one-parameter IEC that, unlike those implicit in commonly used indices, assigns constant weights to the polar cases independent of the health distribution.

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“…They also identified two classes of absolute inequality indices which measure achievement and shortfall inequalities identically and showed that the variance is the only subgroup decomposable consistent absolute inequality index. Lasso de la Vega and Aristondo () devised a procedure that enables conversion of any inequality index into an indicator that measure achievement and shortfall inequalities equally. In particular, they considered relative and absolute indices of inequality.…”

Section: Introductionmentioning

confidence: 99%

On a Family of Achievement and Shortfall Inequality Indices

2015

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This paper identifies a family of absolute consistent inequality indices using a weakly decomposable postulate suggested by Ebert. Because one member employs an Atkinson type aggregation we refer to it as the Atkinson index of consistent inequality. A second member of this family parallels the Kolm index of inequality. Two innovative features of these indices are that no specific structure is imposed on the form of the index at the outset and no transformation of any existing index is considered to ensure consistency. Each of them regards an achievement distribution as equally unequal as the corresponding shortfall distribution. We apply these indices to study inequality in grip strength among 50+ year-old Europeans. Copyright © 2015 John Wiley & Sons, Ltd.

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Proposing indicators to measure achievement and shortfall inequality consistently

Cited by 22 publications

References 17 publications

Using Inequality Measures to Incorporate Environmental Justice into Regulatory Analyses

Using Inequality Measures to Incorporate Environmental Justice into Regulatory Analyses

Lost in Translation: Rethinking the Inequality Equivalence Criteria for Bounded Health Variables

On a Family of Achievement and Shortfall Inequality Indices

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