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Notes
1. This article is based in part on a World Bank study (Wodon 2014). The opinions expressed in this article are those of the authors only and need not represent those of the World Bank, its Executive Directors, or the countries they represent.
2. Depending on the survey, the quintiles are based either on measures of consumption per capita or per equivalent adult taking into account differences in the cost of living between areas, or on an index of wealth obtained using factorial analysis when consumption data are not available.
Additional information
Clarence Tsimpo first joined the World Bank in 2003 as a consultant and is now an economist based in Kampala, Uganda, for the World Bank's Poverty Reduction and Economic Management Department for Africa. He is also currently finalizing a PhD in Economics from the University of Montreal. He has 13 years of experience in policy research and dialog on applied development economics with a focus on poverty and social impact analysis.
Quentin Wodon is an adviser in the Education Department of the Human Development Network at the World Bank, where he serves as cluster leader for equity, resilience, and early childhood development. Previously, he managed the Bank's unit working on faith and development, served as Lead Poverty Specialist for West and Central Africa, and as Economist/Senior Economist in the Latin America region. Author of more than 300 books and articles, Dr Wodon holds graduate degrees in business engineering, economics, and philosophy, and PhDs in Economics and in Theology and Religious Studies.