What are the health benefits of a constant water supply? Evidence from London, 1860–1910
Nicola Tynan and
Yuanxiaoyue Artemis Yang
Explorations in Economic History, 2021, vol. 81, issue C
What are the benefits of moving from intermittent water delivery (which limits user access to less than 24 h per day) to constant service? To address this question, we study the transition from intermittent to constant water supply in London. Between 1871 and 1910, the proportion of London households with access to a constant water supply (24 h a day, 7 days a week) rose from less than 20–100 percent. Idiosyncratic delays in the negotiation process between companies and property owners generated random variation in the timing of the transition across London districts. Exploiting this variation, we find that a one percentage point increase in a local population with access to constant service decreased deaths from waterborne diseases by as much as 0.4 percent and explains approximately a fifth of the late nineteenth century decline in waterborne disease mortality. Results are robust to the inclusion of controls for population density, concerns regarding the reporting of cause-of-death, district-specific time trends, district demographics and spatial autocorrelation.
Keywords: Water supply; Mortality; London, 19th century; Public health (search for similar items in EconPapers)
JEL-codes: I18 L95 N33 N93 O18 (search for similar items in EconPapers)
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