Weather and population size effects on water and sewer treatment costs: Evidence from Brazil

André F. Danelon, Humberto F.S. Spolador and Subal Kumbhakar

Journal of Development Economics, 2021, vol. 153, issue C

Abstract: The provision of sanitation services generates investments, employment, and income; they contribute to human capital stock accumulation, and, therefore, to economic development. Recent studies suggest that climate change can increase sanitation costs, and it can be a constraint to emerging economies where institutional inefficiencies raise challenges to the universal supply of these services. We combined data of sanitation companies collected by the Brazilian government and the historical weather data from Xavier et al. (2015) generating a unique dataset between 1995 and 2016 to test the weather effects on sanitation costs. The results indicate that water treatment costs increase if the temperature rises, while sewer treatment costs decrease. We also found evidence that the migrating population from smaller to larger cities in Brazil can overload the sanitation infrastructure and increase the costs. Technical change estimates are -0.67% per year on average, indicating the non-sustainability of the sector in the long run.

Keywords: Sanitation; Climate; Demography; Cost (search for similar items in EconPapers)
JEL-codes: L95 O13 O44 Q25 Q51 (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:deveco:v:153:y:2021:i:c:s0304387821001115

DOI: 10.1016/j.jdeveco.2021.102743

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