Small Area Estimation of Monetary Poverty in Mexico Using Satellite Imagery and Machine Learning

Estimates of poverty are an important input into policy formulation in developing countries. The accurate measurement of poverty rates is therefore a first-order problem for development policy. This paper shows that combining satellite imagery with...

Full description

Bibliographic Details
Main Authors: Newhouse, David, Merfeld, Joshua, Ramakrishnan, Anusha Pudugramam, Swartz, Tom, Lahiri, Partha
Format: Working Paper
Language:English
English
Published: World Bank, Washington, DC 2022
Subjects:
Online Access:http://documents.worldbank.org/curated/en/099430309142231728/IDU0660868530404c0414e0bf180797b525682a5
http://hdl.handle.net/10986/38020
Description
Summary:Estimates of poverty are an important input into policy formulation in developing countries. The accurate measurement of poverty rates is therefore a first-order problem for development policy. This paper shows that combining satellite imagery with household surveys can improve the precision and accuracy of estimated poverty rates in Mexican municipalities, a level at which the survey is not considered representative. It also shows that a household-level model outperforms other common small area estimation methods. However, poverty estimates in 2015 derived from geospatial data remain less accurate than 2010 estimates derived from household census data. These results indicate that the incorporation of household survey data and widely available satellite imagery can improve on existing poverty estimates in developing countries when census data are old or when patterns of poverty are changing rapidly, even for small subgroups.