Entry, exit, and imperfect competition in the long run

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Entry, exit, and imperfect competition in the long run

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AMIR, Rabah
LAMBSON, Val

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Abstract

An infinite-horizon, stochastic model of entry and exit with sunk costs and imperfect competition is constructed. Simple examples provide insights into: (1) the relationship between sunk costs and industry concentration, (2) entry when current profits are negative, and (3) the relationship between entry and the length of the product cycle. A subgame perfect Nash equilibrium for the general dynamic stochastic game is shown to exist as a limit of finite-horizon equilibria. This equilibriumhas a relatively simple structure characterized by two numbers per finite history. Under very general conditions, it tends to exhibit excessive entry and insufficient exit relative to a social optimum.

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Publisher Info
Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2003066.

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Date of creation: 01 Sep 2003
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Handle: RePEc:cor:louvco:2003066

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Article
- Amir, Rabah & Lambson, Val E., 2003. "Entry, exit, and imperfect competition in the long run," Journal of Economic Theory, Elsevier, vol. 110(1), pages 191-203, May. [Downloadable!] (restricted)
Paper
- Rabah Amir & Val E. Lambson, 2003. "Entry, Exit, and Imperfect Competition in the Long Run," CIE Discussion Papers 2003-03, University of Copenhagen. Department of Economics. Centre for Industrial Economics. [Downloadable!]
- R Amir & V E Lambson, 2003. "Entry, Exit, and Imperfect Competition in the Long Run," The School of Economics Discussion Paper Series 0315, Economics, The University of Manchester. [Downloadable!]

Find related papers by JEL classification:
C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary 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 listed on IDEAS
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.:

Rabah Amir, 2000. "On the Effects of Entry in Cournot Markets," Econometric Society World Congress 2000 Contributed Papers 1475, Econometric Society. [Downloadable!]
Other versions:
- AMIR, Rabah & LAMBSON, Val, 1999. "On the effects of entry in Cournot markets," CORE Discussion Papers 1999059, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
- Rabah Amir & Val E. Lambson, 1998. "On the Effects of Entry in Cournot Markets," CIE Discussion Papers 1998-06, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
- Amir, Rabah & Lambson, Val E, 2000. "On the Effects of Entry in Cournot Markets," Review of Economic Studies, Blackwell Publishing, vol. 67(2), pages 235-54, April.
Dewey, Donald, 1976. "Industrial Concentration and the Rate of Profit: Some Neglected Theory," Journal of Law & Economics, University of Chicago Press, vol. 19(1), pages 67-78, April.
repec:att:wimass:19894 is not listed on IDEAS
Lambson, Val Eugene, 1992. "Competitive Profits in the Long Run," Review of Economic Studies, Blackwell Publishing, vol. 59(1), pages 125-42, January. [Downloadable!] (restricted)
Amir, Rabah, 1996. "Continuous Stochastic Games of Capital Accumulation with Convex Transitions," Games and Economic Behavior, Elsevier, vol. 15(2), pages 111-131, August. [Downloadable!] (restricted)
Dixit, Avinash K, 1989. "Entry and Exit Decisions under Uncertainty," Journal of Political Economy, University of Chicago Press, vol. 97(3), pages 620-38, June. [Downloadable!] (restricted)
Other versions:
- Dixit, A., 1988. "Entry And Exit Decisions Under Uncertainty," Papers 91, Princeton, Department of Economics - Financial Research Center.
B. Douglas Bernheim, 1984. "Strategic Deterrence of Sequential Entry into an Industry," RAND Journal of Economics, The RAND Corporation, vol. 15(1), pages 1-11, Spring. [Downloadable!] (restricted)
N. Gregory Mankiw & Michael D. Whinston, 1986. "Free Entry and Social Inefficiency," RAND Journal of Economics, The RAND Corporation, vol. 17(1), pages 48-58, Spring. [Downloadable!] (restricted)
Fudenberg, Drew & Tirole, Jean, 1987. "Understanding Rent Dissipation: On the Use of Game Theory in Industrial Organization," American Economic Review, American Economic Association, vol. 77(2), pages 176-83, May. [Downloadable!] (restricted)
Ericson, Richard & Pakes, Ariel, 1995. "Markov-Perfect Industry Dynamics: A Framework for Empirical Work," Review of Economic Studies, Blackwell Publishing, vol. 62(1), pages 53-82, January. [Downloadable!] (restricted)
Klepper, Steven, 1996. "Entry, Exit, Growth, and Innovation over the Product Life Cycle," American Economic Review, American Economic Association, vol. 86(3), pages 562-83, June. [Downloadable!] (restricted)
David Levhari & Leonard J. Mirman, 1980. "The Great Fish War: An Example Using a Dynamic Cournot-Nash Solution," Bell Journal of Economics, The RAND Corporation, vol. 11(1), pages 322-334, Spring. [Downloadable!] (restricted)
Jovanovic, Boyan, 1982. "Selection and the Evolution of Industry," Econometrica, Econometric Society, vol. 50(3), pages 649-70, May. [Downloadable!] (restricted)
Fudenberg, Drew & Tirole, Jean, 1985. "Preemption and Rent Equilization in the Adoption of New Technology," Review of Economic Studies, Blackwell Publishing, vol. 52(3), pages 383-401, July. [Downloadable!] (restricted)
Lambson, Val Eugene, 1987. "Is the Concentration-Profit Correlation Partly an Artifact of Lumpy Technology?," American Economic Review, American Economic Association, vol. 77(4), pages 731-33, September. [Downloadable!] (restricted)
Hopenhayn, Hugo A, 1992. "Entry, Exit, and Firm Dynamics in Long Run Equilibrium," Econometrica, Econometric Society, vol. 60(5), pages 1127-50, September. [Downloadable!] (restricted)
Rob, Rafael, 1991. "Learning and Capacity Expansion under Demand Uncertainty," Review of Economic Studies, Blackwell Publishing, vol. 58(4), pages 655-75, July. [Downloadable!] (restricted)

Full references

Cited by:
(explanations, 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.)

Francisco Ruiz-Aliseda, 2003. "Strategic Commitment Versus Flexibility in a Duopoly with Entry and Exit," Discussion Papers 1379, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
Frank H. Page & Myrna H. Wooders, 2009. "Endogenous Network Dynamics," Working Papers 2009.28, Fondazione Eni Enrico Mattei. [Downloadable!]
Other versions:
- Frank H. Page, Jr., Myrna H. Wooders, 2009. "Endogenous Network Dynamics," Caepr Working Papers 2009-002, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington. [Downloadable!]
Prieger, James, 2005. "The Impact of Cost Changes on Industry Dynamics," Working Papers 05-1, University of California at Davis, Department of Economics. [Downloadable!]
AMIR, Rabah, 2001. "Stochastic games in economics and related fields: an overview," CORE Discussion Papers 2001060, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
James Prieger, 2007. "The Impact of Cost Changes on Industry Entry and Exit," Journal of Economics, Springer, vol. 91(3), pages 211-243, July. [Downloadable!] (restricted)
Michele Moretto, 2007. "Competition and Irreversible Investments under Uncertainty," "Marco Fanno" Working Papers 0058, Dipartimento di Scienze Economiche "Marco Fanno". [Downloadable!]
AMIR, Rabah & LAMBSON, Val E., 2004. "Imperfect competition, integer constraints and industry dynamics," CORE Discussion Papers 2004042, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
Other versions:
- Amir, Rabah & Lambson, Val E., 2007. "Imperfect competition, integer constraints and industry dynamics," International Journal of Industrial Organization, Elsevier, vol. 25(2), pages 261-274, April. [Downloadable!] (restricted)

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