Short-run and long-run marginal costs of joint products in linear programming
Axel Pierru () and
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Denis Babusiaux: IFPEN - IFP Energies nouvelles - IFPEN - IFP Energies nouvelles
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In standard microeconomic theory, short-run and long-run marginal costs are equal for production equipment with adjusted capacity. When the production of joint products from interdependent equipment is modeled with a linear program, as in oil refining, this equality is no longer verified. The short-run marginal cost then takes on a left-hand value and a right-hand value which generally differ from the long-run marginal cost. In this article, we demonstrate and interpret the relationship existing between long-run marginal cost and short-run marginal costs for a given finished product. That relationship is simply expressed as a function of marginal capacity adjustments (determined in the long run) and marginal values of capacities (determined in the short run).
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Journal Article: Short-run and long-run marginal costs of joint products in linear programming (2007)
Working Paper: Short-run and long-run marginal costs of joint products in linear programming (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-02469431
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