Does Marginal Price Matter? A Regression Discontinuity Approach to Estimating Water Demand
AbstractAlthough complex pricing schedules are increasingly common in utility billing, it is difficult to determine whether consumers respond to complicated marginal prices because price changes are often confounded with simultaneous demand shocks or non-price policies. To overcome this challenge, we exploit a natural experiment - the introduction of a third price block in an increasing block pricing schedule for water - in Santa Cruz, California. Using a regression discontinuity design, we find that consumers do respond to changes in marginal price. Doubling marginal price led to a 12% decrease in water use (500 cubic feet per bill) among high-use households.
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Bibliographic InfoPaper provided by Department of Agricultural & Resource Economics, UC Berkeley in its series Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series with number qt2jc295gr.
Date of creation: 11 Nov 2008
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water demand; regression models; price policy; consumer behavior;
Other versions of this item:
- Nataraj, Shanthi & Hanemann, W. Michael, 2011. "Does marginal price matter? A regression discontinuity approach to estimating water demand," Journal of Environmental Economics and Management, Elsevier, vol. 61(2), pages 198-212, March.
- Nataraj, Shanthi & Hanemann, W. Michael, 2008. "Does marginal price matter? : A regression discontinuity approach to estimating water demand," CUDARE Working Paper Series 1077, University of California at Berkeley, Department of Agricultural and Resource Economics and Policy.
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