Abstract

Changes in water availability, and hence price, are expected to be amongst the most disruptive effects of climate change in many parts of the world. Understanding the capacity of society or consumers to adapt to such changes requires understanding the responsiveness of water demand to price changes. We estimate the price elasticity of residential water demand in Phoenix, Arizona, which is likely to be strongly impacted by climate change. Most existing approaches to the estimation of water demand functions have limited capacity to isolate the effect of price on water consumption where there is little variation in water price. A recent study by Klaiber et al. (2012) attempts to address this issue by using differences in consumption levels, and weather-related characteristics to isolate the price effect on water demand, and by using a constant term in a differenced regression model. We also estimate a differenced regression model, but include direct measures of changes in water prices. This inclusion successfully isolates the price effect on water demand, and enables us to distinguish between the short- and long-run price elasticity of water demand, and hence the short-and long-run adaptation to changes in water availability.

Original languageEnglish (US)
Article numberppt054
Pages (from-to)333-350
Number of pages18
JournalApplied Economic Perspectives and Policy
Volume36
Issue number2
DOIs
StatePublished - 2014

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price elasticity
water demand
elasticity
water
demand
water availability
price
Price elasticity
Water demand
climate change
regression
weather
inclusion
effect

Keywords

  • Marginal price
  • Price elasticity
  • Water demand function

ASJC Scopus subject areas

  • Economics and Econometrics
  • Development

Cite this

Estimating the price elasticity of residential water demand : The case of Phoenix, Arizona. / Yoo, James; Simonit, Silvio; Kinzig, Ann; Perrings, Charles.

In: Applied Economic Perspectives and Policy, Vol. 36, No. 2, ppt054, 2014, p. 333-350.

Research output: Contribution to journalArticle

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N2 - Changes in water availability, and hence price, are expected to be amongst the most disruptive effects of climate change in many parts of the world. Understanding the capacity of society or consumers to adapt to such changes requires understanding the responsiveness of water demand to price changes. We estimate the price elasticity of residential water demand in Phoenix, Arizona, which is likely to be strongly impacted by climate change. Most existing approaches to the estimation of water demand functions have limited capacity to isolate the effect of price on water consumption where there is little variation in water price. A recent study by Klaiber et al. (2012) attempts to address this issue by using differences in consumption levels, and weather-related characteristics to isolate the price effect on water demand, and by using a constant term in a differenced regression model. We also estimate a differenced regression model, but include direct measures of changes in water prices. This inclusion successfully isolates the price effect on water demand, and enables us to distinguish between the short- and long-run price elasticity of water demand, and hence the short-and long-run adaptation to changes in water availability.

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