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2012
- handle: 10670/1.4bfdym
- hal: hal-00771482
- doi: 10.1179/1743286312Y.0000000010
Ce document est lié à :
info:eu-repo/semantics/altIdentifier/doi/10.1179/1743286312Y.0000000010
Mots-clés
Multistage programming Accidents Strikes Delays in permitting Natural disasters Stockpiles Spot market Lease marketSujets proches
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Margaret Armstrong et al., « Using multistage stochastic optimisation to manage major production incidents », HAL-SHS : économie et finance, ID : 10.1179/1743286312Y.0000000010
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Résumé
A mining company has entered into contractual commitments to supply certain quantities to clients in each time period. The planned production would be sufficient unless major problems that interrupt production occur. To overcome these difficulties, the Company may be able to obtain more of the commodity: from its strategic stockpile (if there is sufficient there), by buying it on the spot market or for some commodities such as gold and uranium, by leasing it. Two sources of uncertainty, the spot price of the commodity and the occurrence of serious production incidents are considered. Multistage stochastic programming with recourse was used to solve this problem, because in addition to providing the dollar value of the project, it gives decision-makers the 'roadmap' to reach the optimal value. A case study over a 5-year period is used to illustrate the proposed procedure.