Eliciting and Utilizing Willingness to Pay: Evidence from Field Trials in Northern Ghana

Eliciting and Utilizing Willingness to Pay: Evidence from Field Trials in Northern Ghana
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激发并利用支付意愿:加纳北部实地试验的证据

DOI:
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发表时间:
2015
影响因子:
8.2
通讯作者:
Raymond Guiteras
Raymond Guiteras
中科院分区:
经济学1区
文献类型:
--
作者:
James Berry;G. Fischer;Raymond Guiteras

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我们使用Becker-DeGroot-Marschak(BDM)机制,通过加纳的现场实验来估计清洁水技术的支付意愿(WTP)和异质影响。尽管支付意愿相对于成本而言较低,但需求在低价格下是缺乏弹性的。短期治疗效果是积极的整个支付意愿分布。一年后,使用和利益都增加了支付意愿,对低支付意愿家庭的负面影响。将估计的治疗效果与家庭的支付意愿结合起来,意味着对健康效益的估值比决策者通常使用的要小得多。我们探讨了BDM和“要么接受,要么放弃”估值之间的差异,并为在该领域实施BDM提出了建议。
We use the Becker-DeGroot-Marschak (BDM) mechanism to estimate willingness to pay (WTP) for and heterogeneous impacts of clean water technology through a field experiment in Ghana. Although WTP is low relative to cost, demand is inelastic at low prices. Short-run treatment effects are positive throughout the WTP distribution. After 1 year, use and benefits are both increasing in WTP, with negative effects on low-WTP households. Combining estimated treatment effects with households’ WTP implies valuations of health benefits much smaller than typically used by policy makers. We explore differences between BDM and take-it-or-leave-it valuations and make recommendations for implementing BDM in the field.
DOI: 10.2105/ajph.93.8.1261
发表时间: 2003-08-01
影响因子: 12.7
作者:
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通讯作者: Marcus, AC
DOI: 10.1146/annurev.economics.102308.124433
发表时间: 2010-09-01
影响因子: 5.6
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