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Estimating poverty over time and space: Construction of a time-variant poverty index for Costa Rica

Year of publication 2004

Place of publication Rome, Italy ;

Pages 29

Product type Document

Category Working paper

Series title FAO Agricultural Economics Working Paper

Edition 1

Synopsis (short abstract) This paper presents the construction of a spatially explicit, nationally disaggregated measure of poverty over time in Costa Rica. The paper first describes the two possible methods considered for the construction of a poverty map: principal component analysis (PCA) versus small area estimation. Next, reasons for choosing PCA and a description of its application both at one point in time (1973) and over time are presented together with the resulting poverty maps. The methodology applied represen ts a methodological innovation in that the resulting poverty map is time variant rather than concentrated in a single moment in time. A comparison of the results obtainable using various techniques and a discussion on the relative merits of the various options available concludes the paper.

Language Trilingual

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