Small Area Estimation of Non-Monetary Poverty with Geospatial Data

This paper uses data from Sri Lanka and Tanzania to evaluate the benefits of combining household surveys with geographically comprehensive geospatial indicators to generate small area estimates of non-monetary poverty. The preferred estimates are g...

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Main Authors: Masaki, Takaaki, Newhouse, David, Silwal, Ani Rudra, Bedada, Adane, Engstrom, Ryan
Format: Working Paper
Language:English
Published: World Bank, Washington, DC 2020
Subjects:
Online Access:http://documents.worldbank.org/curated/en/831041599576611927/Small-Area-Estimation-of-Non-Monetary-Poverty-with-Geospatial-Data
http://hdl.handle.net/10986/34469
id okr-10986-34469
recordtype oai_dc
spelling okr-10986-344692022-09-20T00:10:32Z Small Area Estimation of Non-Monetary Poverty with Geospatial Data Masaki, Takaaki Newhouse, David Silwal, Ani Rudra Bedada, Adane Engstrom, Ryan POVERTY MEASUREMENT SMALL AREA ESTIMATE GEOSPATIAL ANALYSIS POVERTY RATE REMOTE SENSING This paper uses data from Sri Lanka and Tanzania to evaluate the benefits of combining household surveys with geographically comprehensive geospatial indicators to generate small area estimates of non-monetary poverty. The preferred estimates are generated by utilizing subarea-level geospatial indicators in a household-level empirical best predictor mixed model with a normalized welfare measure. Mean squared errors are estimated using a parametric bootstrap procedure. The resulting estimates are highly correlated with non-monetary poverty calculated from the full census in both countries, and the gain in precision is comparable to increasing the size of the sample by a factor of three in Sri Lanka and five in Tanzania. The empirical best predictor model moderately underestimates uncertainty, but coverage rates are similar to standard survey-based estimates that assume independent outcomes across clusters. A variety of checks, including adding noise to the welfare measure and model-based and design-based simulations, confirm that the main results are robust. The results demonstrate that combining household survey data with subarea-level geospatial indicators can greatly increase the precision of survey estimates of non-monetary poverty at comparatively low cost. 2020-09-17T17:20:23Z 2020-09-17T17:20:23Z 2020-09 Working Paper http://documents.worldbank.org/curated/en/831041599576611927/Small-Area-Estimation-of-Non-Monetary-Poverty-with-Geospatial-Data http://hdl.handle.net/10986/34469 English Policy Research Working Paper;No. 9383 CC BY 3.0 IGO http://creativecommons.org/licenses/by/3.0/igo World Bank World Bank, Washington, DC Publications & Research Publications & Research :: Policy Research Working Paper Africa South Asia Sri Lanka Tanzania
repository_type Digital Repository
institution_category Foreign Institution
institution Digital Repositories
building World Bank Open Knowledge Repository
collection World Bank
language English
topic POVERTY MEASUREMENT
SMALL AREA ESTIMATE
GEOSPATIAL ANALYSIS
POVERTY RATE
REMOTE SENSING
spellingShingle POVERTY MEASUREMENT
SMALL AREA ESTIMATE
GEOSPATIAL ANALYSIS
POVERTY RATE
REMOTE SENSING
Masaki, Takaaki
Newhouse, David
Silwal, Ani Rudra
Bedada, Adane
Engstrom, Ryan
Small Area Estimation of Non-Monetary Poverty with Geospatial Data
geographic_facet Africa
South Asia
Sri Lanka
Tanzania
relation Policy Research Working Paper;No. 9383
description This paper uses data from Sri Lanka and Tanzania to evaluate the benefits of combining household surveys with geographically comprehensive geospatial indicators to generate small area estimates of non-monetary poverty. The preferred estimates are generated by utilizing subarea-level geospatial indicators in a household-level empirical best predictor mixed model with a normalized welfare measure. Mean squared errors are estimated using a parametric bootstrap procedure. The resulting estimates are highly correlated with non-monetary poverty calculated from the full census in both countries, and the gain in precision is comparable to increasing the size of the sample by a factor of three in Sri Lanka and five in Tanzania. The empirical best predictor model moderately underestimates uncertainty, but coverage rates are similar to standard survey-based estimates that assume independent outcomes across clusters. A variety of checks, including adding noise to the welfare measure and model-based and design-based simulations, confirm that the main results are robust. The results demonstrate that combining household survey data with subarea-level geospatial indicators can greatly increase the precision of survey estimates of non-monetary poverty at comparatively low cost.
format Working Paper
author Masaki, Takaaki
Newhouse, David
Silwal, Ani Rudra
Bedada, Adane
Engstrom, Ryan
author_facet Masaki, Takaaki
Newhouse, David
Silwal, Ani Rudra
Bedada, Adane
Engstrom, Ryan
author_sort Masaki, Takaaki
title Small Area Estimation of Non-Monetary Poverty with Geospatial Data
title_short Small Area Estimation of Non-Monetary Poverty with Geospatial Data
title_full Small Area Estimation of Non-Monetary Poverty with Geospatial Data
title_fullStr Small Area Estimation of Non-Monetary Poverty with Geospatial Data
title_full_unstemmed Small Area Estimation of Non-Monetary Poverty with Geospatial Data
title_sort small area estimation of non-monetary poverty with geospatial data
publisher World Bank, Washington, DC
publishDate 2020
url http://documents.worldbank.org/curated/en/831041599576611927/Small-Area-Estimation-of-Non-Monetary-Poverty-with-Geospatial-Data
http://hdl.handle.net/10986/34469
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