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Does the Excess Entry Theorem Hold in a Differentiated Oligopoly?

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  • Koichi Kagitani
  • Takao Ohkawa
  • Makoto Okamura

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  • Koichi Kagitani & Takao Ohkawa & Makoto Okamura, 2016. "Does the Excess Entry Theorem Hold in a Differentiated Oligopoly?," Manchester School, University of Manchester, vol. 84(3), pages 340-362, June.
  • Handle: RePEc:bla:manchs:v:84:y:2016:i:3:p:340-362
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    File URL: http://hdl.handle.net/10.1111/manc.12104
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    References listed on IDEAS

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    1. Duarte Brito & Margarida Catalão‐Lopes, 2010. "Mergers Of Producers Of Complements: How Autonomous Markets Change The Price Effects," Manchester School, University of Manchester, vol. 78(1), pages 60-75, January.
    2. Kotaro Suzumura & Kazuharu Kiyono, 1987. "Entry Barriers and Economic Welfare," Review of Economic Studies, Oxford University Press, vol. 54(1), pages 157-167.
    3. Ghosh, Arghya & Morita, Hodaka, 2007. "Social desirability of free entry: A bilateral oligopoly analysis," International Journal of Industrial Organization, Elsevier, vol. 25(5), pages 925-934, October.
    4. Economides, Nicholas & Salop, Steven C, 1992. "Competition and Integration among Complements, and Network Market Structure," Journal of Industrial Economics, Wiley Blackwell, vol. 40(1), pages 105-123, March.
    5. Rabah Amir & Val E. Lambson, 2000. "On the Effects of Entry in Cournot Markets," Review of Economic Studies, Oxford University Press, vol. 67(2), pages 235-254.
    6. Gianmarco Ottaviano & Takatoshi Tabuchi & Jacques-François Thisse, 2021. "Agglomeration And Trade Revisited," World Scientific Book Chapters, in: Firms and Workers in a Globalized World Larger Markets, Tougher Competition, chapter 3, pages 59-85, World Scientific Publishing Co. Pte. Ltd..
    7. Mukherjee, Arijit, 2005. "Price and quantity competition under free entry," Research in Economics, Elsevier, vol. 59(4), pages 335-344, December.
    8. Charles R. Frank, 1965. "Entry in a Cournot Market," Review of Economic Studies, Oxford University Press, vol. 32(3), pages 245-250.
    9. 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.
    10. Takao Ohkawa & Makoto Okamura & Noritsugu Nakanishi & Kazuharu Kiyono, 2005. "The Market Selects The Wrong Firms In The Long Run ," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(4), pages 1143-1165, November.
    11. Rosenthal, Robert W, 1980. "A Model in Which an Increase in the Number of Sellers Leads to a Higher Price," Econometrica, Econometric Society, vol. 48(6), pages 1575-1579, September.
    12. Stephen W. Salant & Sheldon Switzer & Robert J. Reynolds, 1983. "Losses From Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, Oxford University Press, vol. 98(2), pages 185-199.
    13. Stephen Martin, 2009. "Microfoundations for the Linear Demand Product Differentiation Model, with Applications," Purdue University Economics Working Papers 1221, Purdue University, Department of Economics.
    14. R. J. Ruffin, 1971. "Cournot Oligopoly and Competitive Behaviour," Review of Economic Studies, Oxford University Press, vol. 38(4), pages 493-502.
    15. Matsumura, Toshihiro & Okamura, Makoto, 2006. "A note on the excess entry theorem in spatial markets," International Journal of Industrial Organization, Elsevier, vol. 24(5), pages 1071-1076, September.
    16. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, December.
    17. 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.
    18. Judy Hsu & X. Wang, 2005. "On Welfare under Cournot and Bertrand Competition in Differentiated Oligopolies," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 27(2), pages 185-191, September.
    19. Jota Ishikawa, 1997. "Diagrammatic Demonstration of the Cournot Equilibrium," The Japanese Economic Review, Japanese Economic Association, vol. 48(1), pages 90-100, January.
    20. Koji Okuguchi, 1973. "Quasi-Competitiveness and Cournot Oligopoly," Review of Economic Studies, Oxford University Press, vol. 40(1), pages 145-148.
    21. Takao Ohkawa & Tetsuya Shinkai & Makoto Okamura, 2012. "The Tragedy Of The Anti-Commons In The Long Run In A Common-Resource Economy," The Japanese Economic Review, Japanese Economic Association, vol. 63(2), pages 171-184, June.
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    Cited by:

    1. Tsuyoshi Toshimitsu, 2020. "Note on the excess entry theorem in the presence of network externalities," Economia e Politica Industriale: Journal of Industrial and Business Economics, Springer;Associazione Amici di Economia e Politica Industriale, vol. 47(2), pages 271-282, June.
    2. Samuli Leppälä, 2020. "Innovation, R&D Spillovers, and the Variety and Concentration of the Local Industry Structure," Scandinavian Journal of Economics, Wiley Blackwell, vol. 122(3), pages 1231-1255, July.

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