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The Evolution of Poverty in Nigeria 1985–92

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In this note an alternative method for decomposing poverty changes over time is proposed and applied to Nigeria for the years 1985 and 1992. It is shown that the established method of decomposition which holds the poverty line constant at the reference period of the decomposition overestimates the size of the `growth component’ of any poverty change. The conclusion reached by applying the original decomposition method of Datt and Ravallion (1992) is changed completely if the proposed method is applied.

Cette note propose et applique au Nigeria pour les années 1985 et 1992, une méthode différente de décomposition de l’évolution de la pauvreté dans le temps. Elle montre que la méthode de décomposition établie, qui maintient constants les seuils de pauvretéà la période de référence, surestime la taille de la “composante croissance” de l’évolution de la pauvreté. En appliquant la méthode proposée, on aboutit à une conclusion radicalement différente de celle de la méthode traditionelle de Datt et Ravallion.

Document Type: Original Article


Affiliations: UNECA, Addis Ababa, Ethiopia

Publication date: December 1, 2000

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