Poverty orderings and intra-household inequality: The lost axiom
AbstractWe investigate under which conditions it is possible to infer the evolution of poverty at the individual level from the knowledge of poverty among households. Poverty measurement is approached by the poverty orderings introduced by Foster and Shorrocks (1988). The analysis is based on a reduced form of household bargaining (Peluso and Trannoy 2007) and provides results in terms of preservation of poverty orderings. We point out the main analogies and differences between inequality and poverty assessment, expressing them in terms of empirically testable conditions. In particular, knowing the change in poverty at the household level is not sufficient to deduce a similar change in poverty at the individual level. We need to know the change in the household income distributions far beyond their poverty line. The focus axiom does not hold in this context.
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Bibliographic InfoPaper provided by ECINEQ, Society for the Study of Economic Inequality in its series Working Papers with number 114.
Length: 14 pages
Date of creation: 2009
Date of revision:
Poverty orderings; intra-household allocation; concavity; focus axiom.;
Find related papers by JEL classification:
- D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
- D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
- I32 - Health, Education, and Welfare - - Welfare and Poverty - - - Measurement and Analysis of Poverty
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-05-09 (All new papers)
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- Couprie Helene, Peluso Eugenio and Trannoy Alain, 2009.
"Is power more evenly balanced in poor households?,"
THEMA Working Papers
2009-11, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
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