Optimal exploitation of renewable groundwater resources when extraction affects the probability of occurrence of an irreversible event is studied. The term irreversible signifies that the event occurrence renders the resource obsolete. It is found that uncertainty concerning the event occurrence has a profound effect. Under certainty - when the stock level below which the event occurs is known in advance - the optimal state process converges to a unique equilibrium state. Under uncertainty, when the event occurrence level is unknown, we identify equilibrium intervals and show that optimal processes initiated elsewhere converge to a boundary of one of these intervals. Inside an equilibrium interval, the expected loss due to the event occurrence is so high that it does not pay to extract in excess of recharge, even though under certainty doing so would be beneficial. These properties are illuminated by means of an example for which analytic solutions are derived.
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Paper provided by University of Minnesota, Department of Applied Economics in its series Staff Papers with number
13590.
Length: Date of creation: 1994 Date of revision: Handle: RePEc:ags:umaesp:13590
Contact details of provider: Postal: 231ClaOff Building, 1994 Buford Avenue, St. Paul, MN 55108-6040 Phone: (612) 625-1222 Fax: (612) 625-6245 Email: Web page: http://www.apec.umn.edu More information through EDIRC
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