The Alberta Dilemma: Optimal Sharing of a Water Resource by an Agricultural and an Oil Sector

Gérard Gaudet, Michel Moreaux and Cees Withagen

Cahiers de recherche from Universite de Montreal, Departement de sciences economiques

Abstract: The purpose of this paper is to characterize the optimal time paths of production and water usage by an agricultural and an oil sector that have to share a limited water resource. We show that for any given water stock, if the oil stock is sufficiently large, it will become optimal to have a phase during which the agricultural sector is inactive. This may mean having an initial phase during which the two sectors are active, then a phase during which the water is reserved for the oil sector and the agricultural sector is inactive, followed by a phase during which both sectors are active again. The agricultural sector will always be active in the end as the oil stock is depleted and the demand for water from the oil sector decreases. In the case where agriculture is not constrained by the given natural inflow of water once there is no more oil, we show that oil extraction will always end with a phase during which oil production follows a pure Hotelling path, with the implicit price of oil net of extraction cost growing at the rate of interest. If the natural inflow of water does constitute a constraint for agriculture, then oil production never follows a pure Hotelling path, because its full marginal cost must always reflect not only the imputed rent on the finite oil stock, but also the positive opportunity cost of water.

Keywords: nonrenewable natural resources; renewable natural resources; order of use; water resource; oil (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 (search for similar items in EconPapers)
Pages: 29 pages
Date: 2005
New Economics Papers: this item is included in nep-agr, nep-ene and nep-env
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http://hdl.handle.net/1866/547 (application/pdf)

Related works:
Journal Article: The Alberta dilemma: Optimal sharing of a water resource by an agricultural and an oil sector (2006)
Working Paper: The Alberta dilemma: Optimal sharing of a water resource by an agricultural and an oil sector (2006)
Working Paper: The Alberta Dilemma: Optimal Sharing of a Water Resource by an Agricultural and an Oil Sector (2005)
Working Paper: The Alberta Dilemma: Optimal Sharing of a Water Resource by an Agricultural and an Oil Sector (2005)
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Persistent link: https://EconPapers.repec.org/RePEc:mtl:montde:2005-18

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