How Accurate Is a Poverty Map Based on Remote Sensing Data?

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Tác giả: Roy Van Der Weide

Ngôn ngữ: eng

Ký hiệu phân loại: 362.77 Social welfare problems and services

Thông tin xuất bản: World Bank, Washington, DC, 2022

Mô tả vật lý:

Bộ sưu tập: Tài liệu truy cập mở

ID: 297118

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.
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