The impact of piped water provision on infant mortality in Brazil: A quantile panel data approach
Shakeeb Khan and
Journal of Development Economics, 2010, vol. 92, issue 2, pages 188-200
We examine the impact of piped water on the under-1 infant mortality rate (IMR) in Brazil using a recently developed econometric procedure for the estimation of quantile treatment effects with panel data. The provision of piped water in Brazil is highly correlated with other observable and unobservable determinants of IMR -- the latter leading to an important source of bias. Instruments for piped water provision are not readily available, and fixed effects to control for time-invariant correlated unobservables are invalid in the simple quantile regression framework. Using the quantile panel data procedure in Chen and Khan [Chen, S., Khan, S., Semiparametric estimation of non-stationary censored panel model data models with time-varying factor. Econometric Theory 2007; forthcoming], our estimates indicate that the provision of piped water reduces infant mortality by significantly more at the higher conditional quantiles of the IMR distribution than at the lower conditional quantiles (except for cases of extreme underdevelopment). These results imply that targeting piped water intervention toward areas in the upper quantiles of the conditional IMR distribution, when accompanied by other basic public health inputs, can achieve significantly greater reductions in infant mortality.
Keywords: Infant; mortality; Piped; water; supply; Quantile; regression; with; panel; data; Heterogenous; program; impact; Distribution; of; public; goods (search for similar items in EconPapers)
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Persistent link: http://EconPapers.repec.org/RePEc:eee:deveco:v:92:y:2010:i:2:p:188-200
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