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Risk perception, choice of drinking water and water treatment: evidence from Kenyan towns

Artikel i vetenskaplig tidskrift
Författare J. Onjala
Simon Wagura Ndiritu
Jesper Stage
Publicerad i Journal of Water Sanitation and Hygiene for Development
Volym 4
Nummer/häfte 2
Sidor 268-280
ISSN 2043-9083
Publiceringsår 2014
Publicerad vid Institutionen för nationalekonomi med statistik, Enheten för miljöekonomi
Sidor 268-280
Språk en
Länkar dx.doi.org/10.2166/washdev.2014.131
Ämnesord drinking water, subjective risk perception, water quality, water treatment, CENTRAL-AMERICAN CITIES, DEVELOPING-COUNTRIES, HYGIENE BEHAVIOR, DEMAND, QUALITY, DIARRHEA, SLUM, Water Resources
Ämneskategorier Nationalekonomi, Globaliseringsstudier, Miljövetenskap

Sammanfattning

This study used household survey data from four Kenyan towns to examine the effect of households' characteristics and risk perceptions on their decision to treat/filter water as well as on their choice of main drinking water source. Because the two decisions may be jointly made by the household, a seemingly unrelated bivariate probit model was estimated. It turned out that treating non-piped water and using piped water as a main drinking water source were substitutes. The evidence supports the finding that perceived risks significantly correlate with a household's decision to treat non-piped water before drinking it. The study also found that higher connection fees reduced the likelihood of households connecting to the piped network. Because the current connection fee acts as a cost hurdle which deters households from getting a connection, the study recommends a system where households pay the connection fee in instalments, through a prepaid water scheme or through a subsidy scheme.

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