Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh

Millions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in Banglades...

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Autores: Tarozzi, Alessandro, Maertens, Ricardo, Ahmed, Kazi Matin, Van Geen, Alexander
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2021
País:España
Institución:Universitat Pompeu Fabra
Repositorio:Repositorio Digital de la UPF
OAI Identifier:oai:repositori.upf.edu:10230/70458
Acceso en línea:http://hdl.handle.net/10230/70458
http://dx.doi.org/10.1093/wber/lhaa009
Access Level:acceso abierto
Palabra clave:Arsenic
Bangladesh
Environmental health risk
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spelling Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, BangladeshTarozzi, AlessandroMaertens, RicardoAhmed, Kazi MatinVan Geen, AlexanderArsenicBangladeshEnvironmental health riskMillions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in Bangladesh to evaluate the effectiveness of different test selling schemes at inducing switching from unsafe wells. At a price of about US0.60, only one in four households purchased a test. Sales were not increased by informal inter-household agreements to share water from wells found to be safe, or by visual reminders of well status in the form of metal placards mounted on the well pump. However, switching away from unsafe wells almost doubled in response to agreements or placards relative to the one in three proportion of households that switched away from an unsafe well with simple individual sales.We acknowledge finanancial support from the Earth Clinic at the Earth Institute, Columbia University (this is LDEO publication number 8384), NIEHS (grant P42 ES010349), NSF (grant ICER1414131), and the Ministerio de Economía y Competitividad of the Spanish Government (grant ECO2015-69869-R).Oxford University Press2025202520212025info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfapplication/pdfhttp://hdl.handle.net/10230/70458http://dx.doi.org/10.1093/wber/lhaa009reponame:Repositorio Digital de la UPFinstname:Universitat Pompeu FabraInglésThe World Bank Economic Review. 2021;35(3):764-92info:eu-repo/grantAgreement/ES/1PE/ECO2015-69869-R© Oxford University Press. This is a pre-copyedited, author-produced version of an article accepted for publication in The World Bank Economic Review following peer review. The version of record Tarozzi A, Maertens R, Ahmed KM, Van Geen A. Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh. The World Bank Economic Review. 2021;35(3):764-92. DOI: 10.1093/wber/lhaa009 is available online at: http://dx.doi.org/10.1093/wber/lhaa009.info:eu-repo/semantics/openAccessoai:repositori.upf.edu:10230/704582026-06-12T07:21:37Z
dc.title.none.fl_str_mv Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
title Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
spellingShingle Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
Tarozzi, Alessandro
Arsenic
Bangladesh
Environmental health risk
title_short Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
title_full Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
title_fullStr Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
title_full_unstemmed Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
title_sort Demand for information on environmental health risk, mode of delivery, and behavioral change: evidence from Sonargaon, Bangladesh
dc.creator.none.fl_str_mv Tarozzi, Alessandro
Maertens, Ricardo
Ahmed, Kazi Matin
Van Geen, Alexander
author Tarozzi, Alessandro
author_facet Tarozzi, Alessandro
Maertens, Ricardo
Ahmed, Kazi Matin
Van Geen, Alexander
author_role author
author2 Maertens, Ricardo
Ahmed, Kazi Matin
Van Geen, Alexander
author2_role author
author
author
dc.subject.none.fl_str_mv Arsenic
Bangladesh
Environmental health risk
topic Arsenic
Bangladesh
Environmental health risk
description Millions of villagers in Bangladesh are exposed to arsenic by drinking contaminated water from private wells. Testing for arsenic can encourage switching from unsafe wells to safer sources. This study describes results from a cluster randomized controlled trial conducted in 112 villages in Bangladesh to evaluate the effectiveness of different test selling schemes at inducing switching from unsafe wells. At a price of about US0.60, only one in four households purchased a test. Sales were not increased by informal inter-household agreements to share water from wells found to be safe, or by visual reminders of well status in the form of metal placards mounted on the well pump. However, switching away from unsafe wells almost doubled in response to agreements or placards relative to the one in three proportion of households that switched away from an unsafe well with simple individual sales.
publishDate 2021
dc.date.none.fl_str_mv 2021
2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10230/70458
http://dx.doi.org/10.1093/wber/lhaa009
url http://hdl.handle.net/10230/70458
http://dx.doi.org/10.1093/wber/lhaa009
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv The World Bank Economic Review. 2021;35(3):764-92
info:eu-repo/grantAgreement/ES/1PE/ECO2015-69869-R
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:Repositorio Digital de la UPF
instname:Universitat Pompeu Fabra
instname_str Universitat Pompeu Fabra
reponame_str Repositorio Digital de la UPF
collection Repositorio Digital de la UPF
repository.name.fl_str_mv
repository.mail.fl_str_mv
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