Exploiting separability in a multisectoral model of oligopolistic competition

d’ASPREMONT Claude, () and Rodolphe Dos Santos Ferreira
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d’ASPREMONT Claude,: Université catholique de Louvain, CORE, Belgium
Authors registered in the RePEc Author Service: Claude d'Aspremont

No 2020009, LIDAM Discussion Papers CORE from Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

Abstract: The paper uses the most general version of a Dixit-Stiglitz economy and the concept of oligopolistic equilibrium, defined in previous work, with firms maximizing profits in prices and quantities under a market share and a market size constraint. The purpose here is to take even more advantage of separability so as to partition the oligopolistic sector into groups. Weak separability simplifies quantity conjectures and homothetic separability simplifies price conjectures. Oligopolistic equilibria can in addition be approximated by introducing group expenditure conjectures. Finally, the way different groups interact within the same industry is illustrated within the same framework.

Keywords: oligopolistic competition; multisector economies; aggregation of price and quantity conjectures (search for similar items in EconPapers)
JEL-codes: D43 D51 L13 (search for similar items in EconPapers)
Date: 2020-02-11
New Economics Papers: this item is included in nep-com
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Citations: View citations in EconPapers (1)

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Related works:
Journal Article: Exploiting separability in a multisectoral model of oligopolistic competition (2020)
Working Paper: Exploiting separability in a multisectoral model of oligopolistic competition (2020)
Working Paper: Exploiting separability in a multisectoral model of oligopolistic competition (2020)
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