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Heterogeneous treatment effects of safe water on infectious disease: Do meteorological factors matter?

Heterogeneous treatment effects of safe water on infectious disease: Do meteorological factors... Mortality from waterborne infectious diseases remains a serious issue globally. Investigating the efficient laying plan of waterworks to mitigate the risk factors for such diseases has been an important research avenue for industrializing countries. While a growing body of the literature has revealed the mitigating effects of water-purification facilities on diseases, the heterogeneous treatment effects of clean water have been understudied. The present study thus focuses on the treatment effect heterogeneity of piped water with respect to the external meteorological environment of cities in industrializing Japan. To estimate the varying effects, we implement fixed-effects semivarying coefficient models to deal with the unobservable confounding factors, using a nationwide city-level panel dataset between 1922 and 1940. We find evidence that the magnitude of safe water on the reduction in the typhoid death rate is larger in cities with a higher temperature, which is consistent with recent epidemiological evidence. These findings underscore the importance of the variations in the external meteorological conditions of the municipalities that install water-purification facilities in developing countries. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cliometrica Springer Journals

Heterogeneous treatment effects of safe water on infectious disease: Do meteorological factors matter?

Ogasawara, Kota; Matsushita, Yukitoshi
Cliometrica , Volume 13 (1) – Nov 27, 2017
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References (65)

Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Economics; Economic Theory/Quantitative Economics/Mathematical Methods; History, general; Econometrics; History of Economic Thought/Methodology; Statistics for Business, Management, Economics, Finance, Insurance
ISSN
1863-2505
eISSN
1863-2513
DOI
10.1007/s11698-017-0169-6
Publisher site
See Article on Publisher Site

Abstract

Mortality from waterborne infectious diseases remains a serious issue globally. Investigating the efficient laying plan of waterworks to mitigate the risk factors for such diseases has been an important research avenue for industrializing countries. While a growing body of the literature has revealed the mitigating effects of water-purification facilities on diseases, the heterogeneous treatment effects of clean water have been understudied. The present study thus focuses on the treatment effect heterogeneity of piped water with respect to the external meteorological environment of cities in industrializing Japan. To estimate the varying effects, we implement fixed-effects semivarying coefficient models to deal with the unobservable confounding factors, using a nationwide city-level panel dataset between 1922 and 1940. We find evidence that the magnitude of safe water on the reduction in the typhoid death rate is larger in cities with a higher temperature, which is consistent with recent epidemiological evidence. These findings underscore the importance of the variations in the external meteorological conditions of the municipalities that install water-purification facilities in developing countries.

Journal

Cliometrica – Springer Journals

Published: Nov 27, 2017

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