Effective Demand for In-Line Chlorination Bundled with Rental Housing in Dhaka, Bangladesh,Environmental Science & Technology

当前位置： X-MOL 学术 › Environ. Sci. Technol. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Effective Demand for In-Line Chlorination Bundled with Rental Housing in Dhaka, Bangladesh
Environmental Science & Technology ( IF 10.8 ) Pub Date : 2021-09-09 , DOI: 10.1021/acs.est.1c01308
Daniel W Smith ₁ , Sonia Sultana ₂ , Yoshika S Crider ₁ , Syed Anjerul Islam ₂ , Jenna M Swarthout ₁ , Frederick G B Goddard ₁ , Atonu Rabbani _{3,

4} , Stephen P Luby ₅ , Amy J Pickering ₆ , Jennifer Davis _{1,

5}

Affiliation

Delivering safe water in cities of lower- and middle-income countries remains elusive even where there is a piped supply. Passive, in-line chlorination upstream of the point of water collection reduces child diarrhea without the behavior change required for point-of-use water treatment products or manual chlorine dispensers. We conducted a price experiment to measure effective demand (willingness and ability to pay) for an in-line chlorination service using tablet chlorinators among 196 landlords of rental housing properties in Dhaka, Bangladesh. We offered a 12-month subscription using Becker–DeGroot–Marschak auctions with real money payments. The service consistently delivered chlorinated water and satisfied tenants. Landlords’ effective demand for in-line chlorination was similar to or greater than that for point-of-use treatment products and manual chlorine dispensers previously documented among Dhaka households. Over the service period, landlords renting to low-income households had lower effective demand than those renting to middle-income households despite similar initial rates of payment across both groups. Making in-line chlorination financially viable for the lowest-income consumers would likely require service cost reductions, subsidies, or both. Our findings suggest that even revealed preference experiments may overestimate the effective demand needed to sustain water supply improvements, especially in low-income populations, if they only measure demand once.

中文翻译：

孟加拉达卡出租房屋对在线氯化的有效需求

即使在有管道供应的地方，为中低收入国家的城市提供安全用水仍然难以实现。集水点上游的被动在线氯化可减少儿童腹泻，而无需改变使用点水处理产品或手动氯分配器所需的行为。我们进行了一项价格实验，以衡量孟加拉国达卡 196 名出租房屋业主对使用片剂氯化器的在线氯化服务的有效需求（支付意愿和支付能力）。我们使用 Becker-DeGroot-Marschak 拍卖提供了 12 个月的订阅，并以真钱支付。该服务始终如一地提供氯化水和满意的租户。房东对在线氯化的有效需求与达卡家庭先前记录的使用点处理产品和手动氯分配器的需求相似或更高。在服务期内，出租给低收入家庭的房东的有效需求低于出租给中等收入家庭的房东，尽管这两个群体的初始支付率相似。为低收入消费者提供经济上可行的在线氯化可能需要降低服务成本、补贴或两者兼而有之。我们的研究结果表明，即使是显性偏好实验也可能高估维持供水改善所需的有效需求，尤其是在低收入人群中，如果它们只测量一次需求。在服务期内，出租给低收入家庭的房东的有效需求低于出租给中等收入家庭的房东，尽管这两个群体的初始支付率相似。为低收入消费者提供经济上可行的在线氯化可能需要降低服务成本、补贴或两者兼而有之。我们的研究结果表明，即使是显性偏好实验也可能高估维持供水改善所需的有效需求，尤其是在低收入人群中，如果它们只测量一次需求。在服务期内，出租给低收入家庭的房东的有效需求低于出租给中等收入家庭的房东，尽管这两个群体的初始支付率相似。为低收入消费者提供经济上可行的在线氯化可能需要降低服务成本、补贴或两者兼而有之。我们的研究结果表明，即使是显性偏好实验也可能高估维持供水改善所需的有效需求，尤其是在低收入人群中，如果它们只测量一次需求。为低收入消费者提供经济上可行的在线氯化可能需要降低服务成本、补贴或两者兼而有之。我们的研究结果表明，即使是显性偏好实验也可能高估维持供水改善所需的有效需求，尤其是在低收入人群中，如果它们只测量一次需求。为低收入消费者提供经济上可行的在线氯化可能需要降低服务成本、补贴或两者兼而有之。我们的研究结果表明，即使是显性偏好实验也可能高估维持供水改善所需的有效需求，尤其是在低收入人群中，如果它们只测量一次需求。

更新日期：2021-09-21

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南11