How Accurate is a Poverty Map based on Remote Sensing Data? An Application to Malawi

This paper assesses the reliability of poverty maps derived from remote-sensing data. Employing data for Malawi, it first obtains small area estimates of poverty by combining the Malawi household expenditure survey from 2010/11 with unit record population census data from 2008. It then ignores the p...

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Bibliographic Details
Main Author: Van Der Weide, Roy
Other Authors: Blankespoor, Brian, Elbers, Chris, Lanjouw, Peter
Format: eBook
Language:English
Published: Washington, D.C The World Bank 2022
Subjects:
Online Access:
Collection: World Bank E-Library Archive - Collection details see MPG.ReNa
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245 0 0 |a How Accurate is a Poverty Map based on Remote Sensing Data?  |h Elektronische Ressource  |b An Application to Malawi  |c Roy Van Der Weide 
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300 |a 61 pages 
653 |a Poverty Mapping 
653 |a Remote Sensing Data 
653 |a Targeting Transfers 
653 |a Poverty Monitoring and Analysis 
653 |a Poverty Monitoring 
653 |a Poverty Assessment 
653 |a Poverty Reduction 
653 |a Geography of Poverty 
653 |a Development Patterns and Poverty 
653 |a Small Area Poverty Estimation 
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700 1 |a Elbers, Chris 
700 1 |a Lanjouw, Peter 
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520 |a This paper assesses the reliability of poverty maps derived from remote-sensing data. Employing data for Malawi, it first obtains small area estimates of poverty by combining the Malawi household expenditure survey from 2010/11 with unit record population census data from 2008. It then ignores the population census data and obtains a second poverty map for Malawi by combining the survey data with predictors of poverty derived from remote sensing data. This allows for a clean comparison between the two poverty maps. The findings are encouraging - although that assessment depends somewhat on the evaluation criteria employed. The two approaches reveal the same patterns in the geography of poverty. However, there are instances where the two approaches obtain markedly different estimates of poverty. Poverty maps obtained using remote sensing data may do well when the decision maker is interested in comparisons of poverty between assemblies of areas, yet may be less reliable when the focus is on estimates for specific small areas