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Deaton, Angus. 2010. "Price Indexes, Inequality, and the Measurement of World Poverty."
,
100(1): 5-34.
Show Article Details
DOI: 10.1257/aer.100.1.5
Abstract:I discuss the measurement of world poverty and inequality, with particular
attention to the role of purchasing power parity (PPP) price indexes from the
International Comparison Project. Global inequality increased with the latest
revision of the ICP, and this reduced the global poverty line relative to the
US dollar. The recent large increase of nearly half a billion poor people came
from an inappropriate updating of the global poverty line, not from the ICP
revisions. Even so, PPP comparisons between widely different countries rest
on weak theoretical and empirical foundations. I argue for wider use of self-reports
from international monitoring surveys, and for a global poverty line
that is truly denominated in US dollars. (JEL C43, D31, I31, I32, F31)
Authors:
Deaton, Angus (Princeton U)
JEL Classifications:
C43: Index Numbers and Aggregation; leading indicators
D31: Personal Income, Wealth, and Their Distributions
F31: Foreign Exchange
I31: General Welfare
I32: Measurement and Analysis of Poverty
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