[go: up one dir, main page]
More Web Proxy on the site http://driver.im/
IDEAS home Printed from https://ideas.repec.org/p/bcu/iefewp/iefewp87.html
   My bibliography  Save this paper

Entry Games and Free Entry Equilibria

Author

Listed:
  • Michele Polo
Abstract
This Chapter reviews the theoretical liteature on entry games and free entry equilibria. We show that a wide range of symmetric oligopoly models share common comparative statics properties. Individual profits and quantities decrease in the number of firms, and tend to competitive or monopolistic competitive equilibria when the number of firms increases indefinitely. The maximum number of firms sustainable in a symmetric long run equilibrium depends on technology (economies of scale), preferences (market size) and strategies (toughness of price competition). On the normative side, in homogeneous product markets the business stealing effect drives the result of excessive entry, whereas adding product differentiation and the utillity from variety may revert the result. We then consider asymmetric free entry equilibria that exploit the aggregative nature of many oligopoly models. Finally, we discuss endogenous sunk costs and persistent concentration and frictionless entry and contestable markets.

Suggested Citation

  • Michele Polo, 2016. "Entry Games and Free Entry Equilibria," IEFE Working Papers 87, IEFE, Center for Research on Energy and Environmental Economics and Policy, Universita' Bocconi, Milano, Italy.
    • Handle: RePEc:bcu:iefewp:iefewp87
    as

    Download full text from publisher

    File URL: https://repec.unibocconi.it/iefe/bcu/papers/iefewp87.pdf
    Download Restriction: no
    ---><---

    Other versions of this item:

    References listed on IDEAS

    as
    1. Michael Spence, 1976. "Product Selection, Fixed Costs, and Monopolistic Competition," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 43(2), pages 217-235.
    2. Amir, Rabah & De Castro, Luciano & Koutsougeras, Leonidas, 2014. "Free entry versus socially optimal entry," Journal of Economic Theory, Elsevier, vol. 154(C), pages 112-125.
    3. William Novshek, 1985. "On the Existence of Cournot Equilibrium," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 52(1), pages 85-98.
    4. Rabah Amir, 2005. "Supermodularity and Complementarity in Economics: An Elementary Survey," Southern Economic Journal, John Wiley & Sons, vol. 71(3), pages 636-660, January.
    5. James W. Friedman, 1971. "A Non-cooperative Equilibrium for Supergames," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 38(1), pages 1-12.
    6. Baumol, William J, 1982. "Contestable Markets: An Uprising in the Theory of Industry Structure," American Economic Review, American Economic Association, vol. 72(1), pages 1-15, March.
    7. Schmalensee, Richard, 1992. "Sunk Costs and Market Structure: A Review Article," Journal of Industrial Economics, Wiley Blackwell, vol. 40(2), pages 125-134, June.
    8. Drew Fudenberg & Eric Maskin, 2008. "The Folk Theorem In Repeated Games With Discounting Or With Incomplete Information," World Scientific Book Chapters, in: Drew Fudenberg & David K Levine (ed.), A Long-Run Collaboration On Long-Run Games, chapter 11, pages 209-230, World Scientific Publishing Co. Pte. Ltd..
    9. Bulow, Jeremy I & Geanakoplos, John D & Klemperer, Paul D, 1985. "Multimarket Oligopoly: Strategic Substitutes and Complements," Journal of Political Economy, University of Chicago Press, vol. 93(3), pages 488-511, June.
    10. Steven C. Salop, 1979. "Monopolistic Competition with Outside Goods," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 141-156, Spring.
    11. d'Aspremont, C & Gabszewicz, Jean Jaskold & Thisse, J-F, 1979. "On Hotelling's "Stability in Competition"," Econometrica, Econometric Society, vol. 47(5), pages 1145-1150, September.
    12. Richard E. Quandt, 1956. "A Probabilistic Theory of Consumer Behavior," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 70(4), pages 507-536.
    13. Federico Etro, 2006. "Aggressive leaders," RAND Journal of Economics, RAND Corporation, vol. 37(1), pages 146-154, March.
    14. Perry, Martin K, 1984. "Scale Economies, Imperfect Competition, and Public Policy," Journal of Industrial Economics, Wiley Blackwell, vol. 32(3), pages 313-333, March.
    15. Nirvikar Singh & Xavier Vives, 1984. "Price and Quantity Competition in a Differentiated Duopoly," RAND Journal of Economics, The RAND Corporation, vol. 15(4), pages 546-554, Winter.
    16. 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.
    17. Vives, Xavier, 1990. "Nash equilibrium with strategic complementarities," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 305-321.
    18. Massimo Motta & Michele Polo, 2001. "Beyond the Spectrum Constraint: Concentration and Entry in the Broadcasting Industry," Rivista di Politica Economica, SIPI Spa, vol. 91(4), pages 115-150, April-May.
    19. Mark Armstrong & Robert Porter (ed.), 2007. "Handbook of Industrial Organization," Handbook of Industrial Organization, Elsevier, edition 1, volume 3, number 1.
    20. Hackner, Jonas, 2000. "A Note on Price and Quantity Competition in Differentiated Oligopolies," Journal of Economic Theory, Elsevier, vol. 93(2), pages 233-239, August.
    21. R. Schmalensee & R. Willig (ed.), 1989. "Handbook of Industrial Organization," Handbook of Industrial Organization, Elsevier, edition 1, volume 2, number 2.
    22. R. Schmalensee & R. Willig (ed.), 1989. "Handbook of Industrial Organization," Handbook of Industrial Organization, Elsevier, edition 1, volume 1, number 1.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Alfaro, Martin & Lander, David, 2021. "Restricting entry without aggressive pricing," Research in Economics, Elsevier, vol. 75(4), pages 305-319.
    2. Roy, Sunanda & Singh, Rajesh & Weninger, Quinn, 2024. "Entry under placement uncertainty," Games and Economic Behavior, Elsevier, vol. 145(C), pages 157-196.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Belleflamme,Paul & Peitz,Martin, 2015. "Industrial Organization," Cambridge Books, Cambridge University Press, number 9781107687899.
    2. Magnus Hoffmann & Grégoire Rota‐Graziosi, 2020. "Endogenous timing in the presence of non‐monotonicities," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 53(1), pages 359-402, February.
    3. Jean J. Gabszewicz & Jacques-François Thisse, 2000. "Microeconomic theories of imperfect competition," Cahiers d'Économie Politique, Programme National Persée, vol. 37(1), pages 47-99.
    4. Kaplow, Louis & Shapiro, Carl, 2007. "Antitrust," Handbook of Law and Economics, in: A. Mitchell Polinsky & Steven Shavell (ed.), Handbook of Law and Economics, edition 1, volume 2, chapter 15, pages 1073-1225, Elsevier.
    5. Richard Schmalensee, 2012. "“On a Level with Dentists?” Reflections on the Evolution of Industrial Organization," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 41(3), pages 157-179, November.
    6. Keisuke Hattori & Takeshi Yoshikawa, 2016. "Free entry and social inefficiency under co-opetition," Journal of Economics, Springer, vol. 118(2), pages 97-119, June.
    7. Ming Chung Chang & Hsiao‐Ping Peng, 2009. "Structure Regulation, Price Structure, Cross‐Subsidization And Marginal Cost Of Public Funds," Manchester School, University of Manchester, vol. 77(6), pages 675-698, December.
    8. Jonathan Kluberg & Georgia Perakis, 2012. "Generalized Quantity Competition for Multiple Products and Loss of Efficiency," Operations Research, INFORMS, vol. 60(2), pages 335-350, April.
    9. Toshihiro Matsumura & Yasunori Okumura, 2014. "Comparison between specific taxation and volume quotas in a free entry Cournot oligopoly," Journal of Economics, Springer, vol. 113(2), pages 125-132, October.
    10. Etro, Federico, 2016. "Research in economics and industrial organization," Research in Economics, Elsevier, vol. 70(4), pages 511-517.
    11. Louis-André Gérard-Varet & Rodolphe Dos Santos Ferreira & Claude d'Aspremont, 1991. "Concurrence en prix et équilibres cournotiens," Revue Économique, Programme National Persée, vol. 42(6), pages 967-996.
    12. Cellini, Roberto & Lambertini, Luca & Ottaviano, Gianmarco I. P., 2004. "Welfare in a differentiated oligopoly with free entry: a cautionary note," Research in Economics, Elsevier, vol. 58(2), pages 125-133, June.
    13. Armstrong, Mark & Sappington, David E.M., 2007. "Recent Developments in the Theory of Regulation," Handbook of Industrial Organization, in: Mark Armstrong & Robert Porter (ed.), Handbook of Industrial Organization, edition 1, volume 3, chapter 27, pages 1557-1700, Elsevier.
    14. Kovác, Eugen & Vinogradov, Viatcheslav & Zigic, Kresimir, 2010. "Technological leadership and persistence of monopoly under endogenous entry: Static versus dynamic analysis," Journal of Economic Dynamics and Control, Elsevier, vol. 34(8), pages 1421-1441, August.
    15. Martin Gaynor, "undated". "What Do We Know About Competition and Quality in Health Care Markets?," GSIA Working Papers 2006-E62, Carnegie Mellon University, Tepper School of Business.
    16. Stole, Lars A., 2007. "Price Discrimination and Competition," Handbook of Industrial Organization, in: Mark Armstrong & Robert Porter (ed.), Handbook of Industrial Organization, edition 1, volume 3, chapter 34, pages 2221-2299, Elsevier.
    17. Cumbul, Eray & Virág, Gábor, 2018. "Multilateral limit pricing in price-setting games," Games and Economic Behavior, Elsevier, vol. 111(C), pages 250-273.
    18. Haufler, Andreas & Norbäck, Pehr-Johan & Persson, Lars, 2014. "Entrepreneurial innovations and taxation," Journal of Public Economics, Elsevier, vol. 113(C), pages 13-31.
    19. Brennan, Timothy J., 2000. "The Economics of Competition Policy: Recent Developments and Cautionary Notes in Antitrust and Regulation," Discussion Papers 10716, Resources for the Future.
    20. Thijssen, J.J.J., 2003. "Investment under uncertainty, market evolution and coalition spillovers in a game theoretic perspective," Other publications TiSEM 672073a6-492e-4621-8d4a-0, Tilburg University, School of Economics and Management.

    More about this item

    Keywords

    Entry; Free entry equilibria; endogenous and exogsnous sunk costs; contestable markets;
    All these keywords.

    JEL classification:

    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

    NEP fields

    This paper has been announced in the following NEP Reports:

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:bcu:iefewp:iefewp87. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Carlotta Milani (email available below). General contact details of provider: https://edirc.repec.org/data/eabocit.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.