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The rich and the poor: A note on countries’ classification

Gianni Vaggi ()
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Gianni Vaggi: University of Pavia

PSL Quarterly Review, 2017, vol. 70, issue 280, 59-82

Abstract: With respect to the official thresholds of development in terms of GNI per capita, all developing countries have made remarkable progress; between 1987 and 2015 the number of Low Income Countries has decreased from 42 to 31, while that of High Income Countries has increased from 25 to 79. This rosy picture is largely due to the specific way in which the thresholds have been updated. This paper revises the thresholds according to the increase in the world income per capita during those 28 years. The revised thresholds give a less optimistic description of the economic improvements that occurred during these 28 years, but they provide a better classification of the changes in relative income per capita levels. According to the World Bank’s classification, middle-income countries host the majority of the poor. With the methodology proposed in this paper this is still true, but only because India marginally belongs to the LMICs group. The paper discusses the implication of the proposed thresholds for the extreme poverty line, which in 2015 has been updated to 1.90 US$ a day at 2011 Purchasing Power Parity prices.

Keywords: national income; aid; poverty; countries classification; poor countries (search for similar items in EconPapers)
JEL-codes: F02 F35 O10 O50 (search for similar items in EconPapers)
Date: 2017
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