Monopoly and Micro-Irrigation in Smallholder Water Markets
Using Exploratory Modeling to Consider Interactions between Market Structure and Agriculture Technology Subsidies
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Many rural agricultural areas around the world are facing severely depleted groundwater resources, which farmers rely on to increase agricultural productivity through irrigation. If groundwater in these areas is to be sustainably utilized, total withdrawals must be diminished from their current levels, which may cause a welfare loss on the part of farmers and their communities. The level of welfare loss (if any) and its distribution will depend which of a wide array of policies are implemented to curtail water use. In theory, the policies may take many forms, including direct and indirect rationing, direct and indirect marginal pricing, tradable water rights, and subsidizing water efficient technologies such as microirrigation. Depending on the environment in which they are implemented, these policies vary widely in terms of cost, effectiveness, and political feasibility, and may lead to many non-obvious interactions when multiple policies are implemented simultaneously.
This research contributes to a policy debate motivated by the situation in North Gujarat, India, where a mix of recently enacted policies has somewhat helped to improve the groundwater situation, but in an inefficient manner. Specifically, this research is aimed at understanding the changes water market participants may experience should there be a move to formalize water markets and establish tradable water rights — a costly and politically challenging proposition, but one with ostensibly significant advantages.
Table of Contents
Challenges of Fair and Efficient Groundwater Management in North Gujarat and Beyond
Building a picture of smallholder decisionmaking
An individual-based model of smallholder water markets
Designing the set of computational experiments
When is formalizing pre-existing water markets a good idea?
Conclusions, Contributions, and Future Possibilities
Lessons Learned for the Practice of Exploratory Modeling and Scenario Discovery
Solution properties and procedures for price-takers and the competitive market module
Solution properties and details of the monopolist's module
Research conducted by
This document was submitted as a dissertation in September 2013 in partial fulfillment of the requirements of the doctoral degree in public policy analysis at the Pardee RAND Graduate School. The faculty committee that supervised and approved the dissertation consisted of Robert Lempert (Chair), Krishna Kumar, and Anthony Westerling.
This publication is part of the RAND Corporation Dissertation series. Pardee RAND dissertations are produced by graduate fellows of the Pardee RAND Graduate School, the world's leading producer of Ph.D.'s in policy analysis. The dissertations are supervised, reviewed, and approved by a Pardee RAND faculty committee overseeing each dissertation.
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