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Chapter 3 Mobility and Long-Term Equality of Opportunity

Inequality of Opportunity: Theory and Measurement

ISBN: 978-1-78052-034-6, eISBN: 978-1-78052-035-3

ISSN: 1049-2585

Publication date: 26 October 2011

Abstract

Purpose – This chapter aims at proposing a methodology for evaluating long-term income distributions according to the equality of opportunity principle.

Approach – We refer to the concept that there is equality of opportunity if the value of the set of opportunities is the same for all individuals, regardless of their circumstances. This approach partitions the population into types, that is, groups of individuals with the same set of circumstances. The type-specific outcome distribution is interpreted as the opportunity set of individuals with the same circumstances. We propose partial and complete rankings on long-term type-specific distributions. Accordingly, these rankings capture inequality between types, and are neutral to inequality within types.

Findings – We show the relationship between long-run and short-run inequality of opportunity and that this relationship can be interpreted in terms of intragenerational mobility. We also show that mobility can act as an equalizer of opportunities when the accounting period is extended.

Originality – The contribution of this work is twofold. First, we develop a decomposition of some measures of long-term inequality of opportunity into measures of short-term inequality of opportunity, applied to distributions, which neutralize the effect of effort on individual income, and may be employed to explain eventual differences arising from an analysis based on the intertemporal context. Second, we propose an index to measure intragenerational mobility and show how it can be interpreted as long-term EOp. Our measure captures only that part of reranking due to the equalization of opportunities over time.

Keywords

Citation

Palmisano, F. (2011), "Chapter 3 Mobility and Long-Term Equality of Opportunity", Gabriel Rodríguez, J. (Ed.) Inequality of Opportunity: Theory and Measurement (Research on Economic Inequality, Vol. 19), Emerald Group Publishing Limited, Bingley, pp. 51-75. https://doi.org/10.1108/S1049-2585(2011)0000019006

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited