Estimating Poverty Over Time and Space: Construction of a Time-Variant Poverty Index for Costa Rica

ESA Working Paper No. 04-21, 2004

29 Pages Posted: 9 Jan 2019

See all articles by Romina Cavatassi

Romina Cavatassi

IFAD

Benjamin Davis

United Nations - Food and Agriculture Organization (FAO)

Leslie Lipper

Food and Agriculture Organization of the UN

Date Written: 2004

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 represents 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.

Suggested Citation

Cavatassi, Romina and Davis, Benjamin and Lipper, Leslie, Estimating Poverty Over Time and Space: Construction of a Time-Variant Poverty Index for Costa Rica (2004). ESA Working Paper No. 04-21, 2004, Available at SSRN: https://ssrn.com/abstract=3307565 or http://dx.doi.org/10.2139/ssrn.3307565

Romina Cavatassi (Contact Author)

IFAD ( email )

Via Paolo di Dono
Rome, 00142
Italy

Benjamin Davis

United Nations - Food and Agriculture Organization (FAO) ( email )

Viale delle Terme di Caracalla
Rome, Lazio 00100
Italy

Leslie Lipper

Food and Agriculture Organization of the UN ( email )

Viale delle Terme di Caracalla
Rome, Lazio 00100
Italy

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