Natural Oligopolies: A Vertical Differentiation Model

Rim Lahmandi-Ayed

Papiers d'Economie Mathématique et Applications from Université Panthéon-Sorbonne (Paris 1)

Abstract: In a vertical differentiation model, we investigate whether the property of finiteness holds when the average cost function depends on the quantity. We prove that this property holds when the cost function has increasing returns. In the case of cost functions with decreasing returns, we prove that the finiteness property does not hold if the average cost tends to zero when the quantity tends to zero.

Keywords: OLIGOPOLIES; VERTICAL INTEGRATION (search for similar items in EconPapers)
JEL-codes: D43 L13 L22 (search for similar items in EconPapers)
Pages: 21 pages
Date: 1996
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Citations: View citations in EconPapers (6)

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Journal Article: Natural Oligopolies: A Vertical Differentiation Model (2000)
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Persistent link: https://EconPapers.repec.org/RePEc:fth:pariem:96.05

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