期刊
JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
卷 54, 期 2, 页码 181-198出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jeem.2007.03.002
关键词
water demand; price elasticity; non-linear pricing
We estimate the price elasticity of water demand with household-level data, structurally modeling the piecewise-linear budget constraints imposed by increasing block pricing. We develop a mathematical expression for the unconditional price elasticity of demand under increasing block prices and compare conditional and unconditional elasticities analytically and empirically. We test the hypothesis that price elasticity may depend on price structure, beyond technical differences in elasticity concepts. Due to the possibility of endogenous utility price structure choice, observed differences in elasticity across price structures may be due either to a behavioral response to price structure, or to underlying heterogeneity among water utility service areas. (c) 2007 Elsevier Inc. All rights reserved.
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