Substitution of piped water and self-supplied groundwater: The case of residential water in South Africa

Ifedotun Aina, Djiby Racine Thiam and Ariel Dinar

Utilities Policy, 2023, vol. 80, issue C

Abstract: The choice of water for use by residential households is usually limited to the centralized and more regulated piped water or the decentralized and less regulated groundwater sources. Many households secure access to water through self-supply from groundwater sources, consequently putting the resource at risk. Our analysis shows empirical evidence on the determinants of households’ choice of water-supply sources and suggests a high substitution threshold for piped water and self-supplied groundwater in South Africa. Furthermore, we provide insights into the potential welfare impact of a stylized piped water tariff change that reduces prices and leads to increased piped water choices.

Keywords: Piped water; Groundwater; Residential water demand; Public utility regulation; South Africa (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:juipol:v:80:y:2023:i:c:s0957178722001448

DOI: 10.1016/j.jup.2022.101480

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