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UNU-WIDER On Some Problems of Variable Population Poverty Comparisons

Support functions

A teenager wears torn rubber boots in a muddy local market in Bac Ha, Viet Nam. As of 2005 figures, half the world population—more than 3 billion people–is estimated to live on less than USD 2.50 a day. Bac Ha, Viet Nam. UN Photo/Kibae Park.

Table of contents

WP/71 On Some Problems of Variable Population Poverty Comparisons

This paper demonstrates that the property of 'replication invariance', generally considered to be an innocuous requirement for the extension of fixed-population poverty comparisons to variable-population contexts, is incompatible with other plausible variable- and fixed-population axioms.
Publisher:
UNU-WIDER
Series:
WIDER Working Paper
Volume:
2010/71
Title:
WP/71 On Some Problems of Variable Population Poverty Comparisons
Authors:
Nicole Hassoun and S. Subramanian
Publication date:
June 2010
ISBN 13 Web:
978-92-9230-309-9
Copyright holder:
© UNU-WIDER
Copyright year:
2010
Keywords:
variable populations, fixed populations, Replication invariance, population focus, income focus, impossibility result
JEL:
I32, D63, D30
Project:
New Directions in Development Economics (2008)
Sponsor:
UNU-WIDER gratefully acknowledges the financial contributions to its research programme by the governments of Denmark (Royal Ministry of Foreign Affairs), Finland (Ministry for Foreign Affairs), Sweden (Swedish International Development Cooperation Agency—Sida) and the United Kingdom (Department for International Development—DFID).
Format:
online and printed copies

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