How Much is Clean Water Worth? Valuing Water Quality Improvement Using A Meta Analysis
This paper has developed and estimated a valuation model for water quality improvement. After reviewing more than 100 studies, we set up a data set that has 332 valuations from 38 distinct studies. Based on the data set, we estimate a linear valuation model, which can then be used to predict the mean willingness to pay by households living in a given region for water quality improvement at a given site. For instance, the willingness to pay by a typical household living in the state of Iowa for a water quality increase from 40 to 50 (out of 100) at a one-square-mile aquatic site, like Iowa’s Spirit Lake, is predicted to be $137.52. The valuation model developed in this paper is particularly convenient when we want to evaluate the benefit of a project that aims at improving water quality, but a primary study is too costly or time consuming.
Year of publication: |
2013-03-30
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Authors: | Ge, Jiaqi ; Kling, Catherine L. ; Herriges, Joseph A. |
Institutions: | Department of Economics, Iowa State University |
Saved in:
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