Onjala, Joseph, Simon Wagura Ndiritu and Jesper Stage. 2013. “Risk Perception, Choice of Drinking Water, and Water Treatment Evidence from Kenyan Towns.” Environment for Development Discussion Paper Series EfD DP 13-10.
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This study uses 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 their choice of main drinking water source.
Because the two decisions may be jointly made by the household, a seemingly unrelated bivariate probit model is estimated. It turns out that treating non-piped water and using piped water as a main drinking water source are substitutes. The evidence supports the finding that perceived risks significantly correlate with a household’s decision to treat/filter unimproved non-pipe water before drinking it. The study also finds that higher connection fees reduce the likelihood of households connecting to the piped network. Because the current connection fee acts as a cost hurdle that 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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Wagura Ndiritu, Simon
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Stage, Jesper
- Other authors:
Onjala, Joseph