A review of mathematical programming models of irrigation water values

dc.contributor.authorConradie, B I
dc.contributor.authorHoag, D L
dc.date.accessioned2018-01-11T09:48:51Z
dc.date.available2018-01-11T09:48:51Z
dc.date.issued2004
dc.date.updated2017-11-03T10:40:43Z
dc.description.abstractBy introducing the user-pays principle into the irrigation water pricing debate, the 1998 National Water Act created a demand for models to measure willingness-to-pay for irrigation water. Water values are traditionally simulated with mathematical programming models. Models differ in their treatment of crops, irrigation options and water constraints, and other firm-level characteristics but they all use shadow prices as an indication of water value. The 17 models reviewed here, report average annual water values of between $0.0042·m-3 and $0.1899·m-3. Crops modelled influence water values, but there is no apparent relationship between objective function specification and average value. Nor does the number of irrigation options seem to influence water value either. The policy implication is that while similar models for the same region produce consistent estimates, each region requires its own model that has to be updated regularly.
dc.identifierhttp://dx.doi.org/10.4314/wsa.v30i3.5076
dc.identifier.apacitationConradie, B. I., & Hoag, D. L. (2004). A review of mathematical programming models of irrigation water values. <i>Water SA</i>, http://hdl.handle.net/11427/26801en_ZA
dc.identifier.chicagocitationConradie, B I, and D L Hoag "A review of mathematical programming models of irrigation water values." <i>Water SA</i> (2004) http://hdl.handle.net/11427/26801en_ZA
dc.identifier.citationConradie, B. I., & Hoag, D. L. (2004). A review of mathematical programming models of irrigation water values. Water SA, 30(3), 287-292.
dc.identifier.ris TY - Journal Article AU - Conradie, B I AU - Hoag, D L AB - By introducing the user-pays principle into the irrigation water pricing debate, the 1998 National Water Act created a demand for models to measure willingness-to-pay for irrigation water. Water values are traditionally simulated with mathematical programming models. Models differ in their treatment of crops, irrigation options and water constraints, and other firm-level characteristics but they all use shadow prices as an indication of water value. The 17 models reviewed here, report average annual water values of between $0.0042·m-3 and $0.1899·m-3. Crops modelled influence water values, but there is no apparent relationship between objective function specification and average value. Nor does the number of irrigation options seem to influence water value either. The policy implication is that while similar models for the same region produce consistent estimates, each region requires its own model that has to be updated regularly. DA - 2004 DB - OpenUCT DP - University of Cape Town J1 - Water SA LK - https://open.uct.ac.za PB - University of Cape Town PY - 2004 T1 - A review of mathematical programming models of irrigation water values TI - A review of mathematical programming models of irrigation water values UR - http://hdl.handle.net/11427/26801 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/26801
dc.identifier.vancouvercitationConradie BI, Hoag DL. A review of mathematical programming models of irrigation water values. Water SA. 2004; http://hdl.handle.net/11427/26801.en_ZA
dc.language.isoeng
dc.publisher.departmentSchool of Economicsen_ZA
dc.publisher.facultyFaculty of Commerceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.sourceWater SA
dc.source.urihttps://journals.co.za/content/journal/waters
dc.subject.otherQ15
dc.subject.otherQ12
dc.subject.otherwater value
dc.subject.otherirrigation
dc.subject.othermathematical programming
dc.titleA review of mathematical programming models of irrigation water values
dc.typeJournal Article
uct.type.filetypeText
uct.type.filetypeImage
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