The aim of sewerage diffusion is to ensure a healthy environment, but risks in infrastructure development have been overlooked. This paper studies the effect of a nation-wide spread of sewerage that took place in Peru between 2005 and 2015 on infant and under-five mortality rates. I use original administrative and spatial data and rely on an instrumental variable approach exploiting variation linked to exogenous budget and geographic cost considerations. I find that in districts that experienced greater sewerage diffusion, infant and under-five mortality rates increased. These unintended consequences seem to be linked to poor technical rigor during the construction works. Delays and mid-construction abandonment exacerbated these risks. Only after sewerage works were completed, the health benefits of sewerage systems manifest, though to a limited extent due to low connectivity and poor operation of the systems. Taken together, my results suggest that public interventions aimed at correcting market failures in the development of large infrastructure are prone to government failures that put at risk infant and child survival.
This content was originally published in Novafrica.org
NOVAFRICA is a knowledge center created by the Nova School of Business and Economics of the Universidade Nova de Lisboa in 2011. Its mission is to produce expertise with an impact on business and economic development in Africa. A particular focus is on Portuguese-speaking Africa, i.e., Angola, Cape Verde, Guinea-Bissau, Mozambique, and Sao Tome and Principe.Website
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