Water rights markets in the 21st century : transaction costs and optimal environmental water portfolios in Colorado, USA

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Abstract/Contents

Abstract
In arid regions across the world, water markets are implemented to efficiently manage water scarcity and restore streamflows for fully or partially dewatered ecosystems. The western United States hosts prominent water markets, with an annual average of more than $500 million traded and environmental transactions comprising about a third of the volume traded from 2008-2018. However, these markets are commonly described as failing to achieve efficient water management because of substantial legal barriers to trade. Also, environmental water marketing remains immature, with mostly opportunistic transactions. This dissertation examines potential solutions to these shortcomings in the state of Colorado, which has some of the most developed water markets and water law in the U.S. First, I examine barriers to trade -- non-water transaction costs incurred for legal approval of water transfers -- using quantitative and qualitative survey data from 100 water professionals. My statistical models depict physical and legal drivers of transaction costs and show that legal changes that clarify the definition of water rights couple some of the greatest transaction cost reductions with relatively low negative externalities. Second, I develop an integrated ecohydrologic-economic-legal simulation-optimization model that maximizes ecological outcomes from environmental water marketing in the Upper Colorado River Basin. The Colorado River is the world's most overallocated river. Results show that optimal environmental water rights portfolios consist heavily of informal water transactions that evade legal barriers but provide no legal protection for restored streamflows; include large reservoir leases that offer temporal flexibility and achieve scale economies; and select transactions in especially dewatered river reaches. Taken together, the results illustrate how 19th century water rights law constrains 21st century water markets.

Description

Type of resource text
Form electronic resource; remote; computer; online resource
Extent 1 online resource.
Place California
Place [Stanford, California]
Publisher [Stanford University]
Copyright date 2020; ©2020
Publication date 2020; 2020
Issuance monographic
Language English

Creators/Contributors

Author Womble, Philip James
Degree supervisor Gorelick, Steven M
Degree supervisor Thompson, Barton H, Jr
Thesis advisor Gorelick, Steven M
Thesis advisor Thompson, Barton H, Jr
Thesis advisor Hanemann, W. Michael
Degree committee member Hanemann, W. Michael
Associated with Stanford University, Emmett Interdisciplinary Program in Environment and Resources.

Subjects

Genre Theses
Genre Text

Bibliographic information

Statement of responsibility Philip Womble.
Note Submitted to the Emmett Interdisciplinary Program in Environment and Resources.
Thesis Thesis Ph.D. Stanford University 2020.
Location electronic resource

Access conditions

Copyright
© 2020 by Philip James Womble
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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