From Walrasian oligopolies to natural monopolyan: An evolutionary model of market structure
Abstract
We study a market for a homogeneous good in which firms adjust theirproduction decisions on the basis of imitation, learning from own experience, and local experimentation.For any fixed set of firms (more than one), long run behavior settles on a symmetric marginal-cost pricingequlibrium. When market entry and exit are allowed, we find a sharp effect of technology onlongrun market structure. Specifically, we show that, under decreasing returns and some fixed cost,the market grows to full capacity at Walrasian equlibrium; on the other hand, if returns areincreasing, the unique long run outcome involves a profit-maximizing monopolist.Download Info
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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number 1997-24.Length: 25 pages
Date of creation: Dec 1997
Date of revision:
Publication status: Published by Ivie
Handle: RePEc:ivi:wpasad:1997-24
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Related research
Keywords: Imitation; evolution; mutation;Other versions of this item:
- Carlos Alos-Ferrer & Ana B. Ania & Fernando Vega-Redondo, 1998. "From Walrasian Oligopolies to Natural Monopoly: an Evolutionary Model of Market Structure," CRIEFF Discussion Papers 9805, Centre for Research into Industry, Enterprise, Finance and the Firm.
- C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
- D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
References
References listed on IDEASPlease 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.:
- Arthur J Robson & Fernando Vega-Redondo, 1999.
"Efficient Equilibrium Selection in Evolutionary Games with Random Matching,"
Levine's Working Paper Archive
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- Robson, Arthur J. & Vega-Redondo, Fernando, 1996. "Efficient Equilibrium Selection in Evolutionary Games with Random Matching," Journal of Economic Theory, Elsevier, vol. 70(1), pages 65-92, July.
- Fernando Vega Redondo, 1996.
"The evolution of walrasian behavior,"
Working Papers. Serie AD
1996-05, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
- Fernando Vega-Redondo, 1997. "The Evolution of Walrasian Behavior," Econometrica, Econometric Society, vol. 65(2), pages 375-384, March.
- M. Kandori & G. Mailath & R. Rob, 1999.
"Learning, Mutation and Long Run Equilibria in Games,"
Levine's Working Paper Archive
500, David K. Levine.
- Kandori, Michihiro & Mailath, George J & Rob, Rafael, 1993. "Learning, Mutation, and Long Run Equilibria in Games," Econometrica, Econometric Society, vol. 61(1), pages 29-56, January.
- Kandori, M. & Mailath, G.J., 1991. "Learning, Mutation, And Long Run Equilibria In Games," Papers 71, Princeton, Woodrow Wilson School - John M. Olin Program.
- Novshek, William, 1980. "Cournot Equilibrium with Free Entry," Review of Economic Studies, Wiley Blackwell, vol. 47(3), pages 473-86, April.
- Young, H Peyton, 1993. "The Evolution of Conventions," Econometrica, Econometric Society, vol. 61(1), pages 57-84, January.
- Rhode, Paul & Stegeman, Mark, 2001. "Non-Nash equilibria of Darwinian dynamics with applications to duopoly," International Journal of Industrial Organization, Elsevier, vol. 19(3-4), pages 415-453, March.
Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.Cited by:
- Alos-Ferrer, Carlos & Ania, Ana B. & Schenk-Hoppe, Klaus Reiner, 2000.
"An Evolutionary Model of Bertrand Oligopoly,"
Games and Economic Behavior,
Elsevier, vol. 33(1), pages 1-19, October.
- Ana B. Ania & Carlos Alós-Ferrer & Klaus R. Schenk-Hoppé, 1998. "- An Evolutionary Model Of Bertrand Oligopoly," Working Papers. Serie AD 1998-14, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
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