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- Title
Unit-Consistent Poverty Indices.
- Authors
Zheng, Buhong
- Abstract
This paper characterizes unit-consistent poverty indices. The unit consistency axiom requires that poverty rankings ( not poverty indices) remain unaffected when all incomes and the poverty lines are expressed in different measuring units. We consider two general frameworks of poverty measurement: the semi-individualistic framework that includes all decomposable indices and all rank-based indices; and the Dalton–Hagenaars framework that contains a subset of decomposable indices. Within the semi-individualistic framework, classes of unit-consistent poverty indices can be characterized for different value judgments about poverty measurement. Within the Dalton-Hagenaars framework, unit-consistent poverty indices are completely characterized without invoking any value judgment a priori.
- Subjects
POVERTY; INCOME inequality; POVERTY rate; INCOME; INDEX use studies; POOR people
- Publication
Economic Theory, 2007, Vol 31, Issue 1, p113
- ISSN
0938-2259
- Publication type
Article
- DOI
10.1007/s00199-006-0085-7