Imperfect competition à la Negishi, also with fixed costs
AbstractThe paper studies equilibria for economies with imperfect competition and non-convex technologies. Following Negishi, firms maximise profits under downward-sloping perceived demand functions. Negishi's assumptions, in particular the assumption of a single monopolistic competitor in each market, are relaxed. Existence of equilibria is obtained, under otherwisestandard assumptions, for productions sets defined in each firm by the union of a convex technology and a technology subject to fixed costs. In the light of a counterexample, it is assumed that fixed factors are distinct from variable factors. Technically, the proof rests on pricing rules.
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Bibliographic InfoPaper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2002078.
Date of creation: 00 Dec 2002
Date of revision:
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imperfect competition; ﬁxed costs; general equilibrium; perceived demand; pricing rules;
Other versions of this item:
- Dehez, Pierre & Dreze, Jacques H. & Suzuki, Takashi, 2003. "Imperfect competition a la Negishi, also with fixed costs," Journal of Mathematical Economics, Elsevier, vol. 39(3-4), pages 219-237, June.
- Pierre Dehez & Jacques Dreze & Takashi Suzuki, 2003. "Imperfect competition à la Negishi also with fixed costs," Microeconomics 0304003, EconWPA.
- Pïerre DEHEZ & Jacques H. DREZE & Takashi SUZUKI, 2002. "Imperfect Competition à la Negishi also with Fixed Costs," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2002044, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
- D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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- Weinrich, Gerd, 2007. "New Keynesian monopolistic competition and objective demand," Journal of Mathematical Economics, Elsevier, vol. 43(2), pages 153-173, February.
- Xi Chen & Bertrand M. Koebel, 2013. "Fixed cost, variable cost, markups and returns to scale," Working Papers of BETA 2013-13, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
- repec:hal:journl:halshs-00194881 is not listed on IDEAS
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