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Journal ArticleDOI

On the Measurement of Inequality

01 Sep 1970-Journal of Economic Theory (Academic Press)-Vol. 2, Iss: 3, pp 244-263
TL;DR: In this paper, the problem of comparing two frequency distributions f(u) of an attribute y which for convenience I shall refer to as income is defined as a risk in the theory of decision-making under uncertainty.
About: This article is published in Journal of Economic Theory.The article was published on 1970-09-01. It has received 5002 citations till now. The article focuses on the topics: Income inequality metrics & Income distribution.
Citations
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Journal ArticleDOI
TL;DR: In this article, the authors measured trends in global interpersonal inequality during 1975-2010 using data from the most recent version of the World Income Inequality Database (WIID) and found that the picture that emerges using ‘absolute, and even ‘centrist’ measures of inequality, is very different from the results obtained using standard ‘relative’ inequality measures such as the Gini coefficient or Coefficient of Variation.
Abstract: This paper measures trends in global interpersonal inequality during 1975–2010 using data from the most recent version of the World Income Inequality Database (WIID). The picture that emerges using ‘absolute,’ and even ‘centrist’ measures of inequality, is very different from the results obtained using standard ‘relative’ inequality measures such as the Gini coefficient or Coefficient of Variation. Relative global inequality has declined substantially over the decades. In contrast, ‘absolute’ inequality, as captured by the Standard Deviation and Absolute Gini, has increased considerably and unabated. Like these ‘absolute’ measures, our ‘centrist’ inequality indicators, the Krtscha measure and an intermediate Gini, also register a pronounced increase in global inequality, albeit, in the case of the latter, with a decline during 2005 to 2010. A critical question posed by our findings is whether increased levels of inequality according to absolute and centrist measures are inevitable at today's per capita income levels. Our analysis suggests that it is not possible for absolute inequality to return to 1975 levels without further convergence in mean incomes among countries. Inequality, as captured by centrist measures such as the Krtscha, could return to 1975 levels, at today's domestic and global per capita income levels, but this would require quite dramatic structural reforms to reduce domestic inequality levels in most countries.

92 citations

Book ChapterDOI
TL;DR: In this article, a survey and experimental findings in the literature on attitudes to income inequality are reviewed and classified into two broad types of individual attitudes toward the income distribution in a society: the normative and the comparative view.
Abstract: We review the survey and experimental findings in the literature on attitudes to income inequality. We interpret the latter as any disparity in incomes between individuals. We classify these findings into two broad types of individual attitudes toward the income distribution in a society: the normative and the comparative view. The first can be thought of as the individual's disinterested evaluation of income inequality; on the contrary, the second view reflects self-interest, as individuals’ inequality attitudes depend not only on how much income they receive but also on how much they receive compared to others. We conclude with a number of extensions, outstanding issues, and suggestions for future research.

91 citations


Cites result from "On the Measurement of Inequality"

  • ...also confirm the results in Beckman et al. (2004): the actual position of the respondent in the income distribution affects the answer given in the leaky bucket experiment....

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Journal ArticleDOI
TL;DR: In this paper, the authors demonstrate that consumption-based inequality indexes actually decrease over the postwar era, due to differences in the income and expenditure distributions, and the inclusion of equivalence scales to account for the different needs of heterogeneous households.
Abstract: Most empirical studies demonstrating a U-turn in inequality in the United States are based on the distribution of income. However, utility is derived from the consumption of goods and services and there are many reasons to expect the distribution of expenditure to be different from the distribution of income. The author demonstrates that consumption-based inequality indexes actually decrease over the postwar era. This conclusion differs from the stylized facts because of differences in the income and expenditure distributions. Differences also arise from the inclusion of equivalence scales to account for the different needs of heterogeneous households. Copyright 1994 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

91 citations

Journal ArticleDOI
TL;DR: The authors proposed a new approach to separating poverty into chronic and transient components, and provided corrections for the statistical biases introduced when using a small number of periods to estimate the importance of vulnerability and transient poverty.

91 citations

Posted Content
TL;DR: This paper found that the distribution of land in the United States is correlated with the extent of banking development, and that counties with very concentrated land holdings tend to have disproportionately fewer banks per capita in the 1920s.
Abstract: Economists have argued that a high concentration of land holdings in a country can create powerful interest groups that retard the creation of economic institutions, and thus hold back economic development. Could these arguments apply beyond underdeveloped countries with backward political institutions? We find that in the early 20th century, the distribution of land in the United States is correlated with the extent of banking development. Correcting for state effects, counties with very concentrated land holdings tend to have disproportionately fewer banks per capita in the 1920s. Banks were especially scarce both when landed elites' incentive to suppress finance, as well as their ability to exercise local influence, was higher, suggesting support for a political economy explanation. Counties with high land concentration and fewer banks also had higher interest rates and lower loan to value ratios, consistent with more restricted access to finance. Interestingly, counties with greater land concentration had fewer loan losses during the Great Depression, consistent with borrowers in those counties being less risky, even while they had more limited access to credit in the years leading up to the Depression. We draw lessons from this episode for understanding financial and economic development.

90 citations

References
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Journal ArticleDOI
TL;DR: In this article, a measure of risk aversion in the small, the risk premium or insurance premium for an arbitrary risk, and a natural concept of decreasing risk aversion are discussed and related to one another.
Abstract: This paper concerns utility functions for money. A measure of risk aversion in the small, the risk premium or insurance premium for an arbitrary risk, and a natural concept of decreasing risk aversion are discussed and related to one another. Risks are also considered as a proportion of total assets.

5,207 citations

Posted Content

1,748 citations


"On the Measurement of Inequality" refers background in this paper

  • ...3 See Rothschild and Stiglitz [13], Hadar and Russell [ 5 ], and Hanoch and Levy [6]....

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Journal ArticleDOI

1,738 citations


"On the Measurement of Inequality" refers methods in this paper

  • ...Then by applying the results of Pratt [l 11, Arrow [ 2 ], and others, we can see that this requirement (which may be referred to as constant (relative) inequality-aversion) implies that U(y) has the form...

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Journal ArticleDOI
TL;DR: JSTOR as discussed by the authors is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship, which is used to preserve their work and the materials they rely upon, and to build a common research platform that promotes the discovery and use of these resources.
Abstract: you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship. We work with the scholarly community to preserve their work and the materials they rely upon, and to build a common research platform that promotes the discovery and use of these resources. For more information about JSTOR, please contact support@jstor.org.

1,544 citations

Journal ArticleDOI
TL;DR: In this paper, an analysis of the first step of the decision-making process of an individual decision maker among alternative risky ventures is presented, in terms of a single dimension such as money, both for the utility functions and for the probability distributions.
Abstract: Publisher Summary The choice of an individual decision maker among alternative risky ventures may be regarded as a two-step procedure. The decision maker chooses an efficient set among all available portfolios, independently of his tastes or preferences. Then, the decision maker applies individual preferences to this set to choose the desired portfolio. The subject of this chapter is the analysis of the first step. It deals with optimal selection rules that minimize the efficient set by discarding any portfolio that is inefficient in the sense that it is inferior to a member of the efficient set, from point of view of each and every individual, when all individuals' utility functions are assumed to be of a given general class of admissible functions. The analysis presented in the chapter is carried out in terms of a single dimension such as money, both for the utility functions and for the probability distributions. However, the results may easily be extended, with minor changes in the theorems and the proofs, to the multivariate case. The chapter explains a necessary and sufficient condition for efficiency, when no further restrictions are imposed on the utility functions. It presents proofs of the optimal efficiency criterion in the presence of general risk aversion, that is, for concave utility functions.

1,160 citations