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Price perceptions in water demand

Daniel Brent () and Michael Ward ()

Journal of Environmental Economics and Management, 2019, vol. 98, issue C

Abstract: Economists advocate for using the price mechanism to manage water scarcity, but complex nonlinear rate structures prevalent in markets for municipal water obscure price signals. We conduct a randomized field experiment that jointly elicits knowledge about the cost of water and examines the impact of improved information on demand by linking a survey to water billing records. Half of our sample of 30,000 single family homeowners are randomly sent an invitation to a survey that asks questions about the water bill and the costs of water-use activities (e.g. the cost of taking a shower), and subsequently provides personalized accurate information. Results show that consumers have poor information about the marginal price of water and overestimate the costs of using water. Respondents are relatively better informed about their total bill and water consumption. In aggregate, respondents increase water use in response to the survey, potentially due to learning that water is cheaper than they previously thought. Increased consumption is concentrated among low users who are more likely to over-estimate the costs of using water.

Keywords: Water demand; Demand elasticity; Economics of information; Experimental economics; Behavioral economics (search for similar items in EconPapers)
JEL-codes: Q21 Q25 Q54 (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1016/j.jeem.2019.102266

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Journal of Environmental Economics and Management is currently edited by M.A. Cole, A. Lange, D.J. Phaneuf, D. Popp, M.J. Roberts, M.D. Smith, C. Timmins, Q. Weninger and A.J. Yates

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