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Effect of Groundwater Development Project on Diarrhea Incidence in Rural Zambia

Yasuharu Shimamura, Hiroshi Nishino, Hirofumi Tsuruta and Keitaro Aoyagi
Additional contact information
Hiroshi Nishino: Metrics Work Consultants Inc
Hirofumi Tsuruta: Namidabashi Lab. Co., Ltd
Keitaro Aoyagi: Metrics Work Consultants Inc

No 31, GSICS Working Paper Series from Graduate School of International Cooperation Studies, Kobe University

Abstract: This study evaluates the effect of a groundwater development project in rural Zambia. Our empirical analysis using a difference-in-differences methodology under an experimental setting reveals that the project reduced the incidence of diarrhea over the past two weeks by 1.6 percentage points among individuals of all age groups and by 5.9 percentage points among children under five. This study, however, simultaneously finds that the impact of the newly constructed water supply facilities is highly likely to be impaired by recontamination of improved source water during transport and storage, which appears further deteriorated by a reduction in the use of water treatment methods at home.

Keywords: waterborne disease; groundwater development; Zambia; impact evaluation; Japan International Cooperation Agency; development project (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-dcm, nep-dev, nep-env and nep-ppm
Date: 2017-05
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