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Equilibrium structures in vertical oligopoly

  • Masahiro Abiru

    (Fukuoka University, Japan)

  • Babu Nahata

    (University of Louisville, USA)

  • Subhashis Raychaudhuri

    (Fukuoka University, Japan)

  • Michael Waterson

    (University of Warwick, UK)

The central purpose of this paper is to examine vertical integration as an equilibrium phenomenon. We model it as integration between Cournot oligopolists in both the upstream and the downstream stages. We consider the issue of private profitability versus collective profitability and show that under several situations the equilibrium outcomes may result in a Prisoner's dilemma. The analysis is extended to consider equilibrium outcomes in a dynamic setting, where we find no integration to be a relatively common outcome.

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Paper provided by EconWPA in its series General Economics and Teaching with number 0306010.

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Length: 18 pages
Date of creation: 26 Jun 2003
Date of revision:
Handle: RePEc:wpa:wuwpgt:0306010
Note: Type of Document - Acrobat PDF; prepared on IBM PC; to print on HP/PostScript; pages: 18 ; figures: included/request from author/draw your own
Contact details of provider: Web page: http://econwpa.repec.org

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  1. Bonanno, Giacomo & Vickers, John, 1988. "Vertical Separation," Journal of Industrial Economics, Wiley Blackwell, vol. 36(3), pages 257-65, March.
  2. Ordover, Janusz A & Saloner, Garth & Salop, Steven C, 1990. "Equilibrium Vertical Foreclosure," American Economic Review, American Economic Association, vol. 80(1), pages 127-42, March.
  3. Grossman, Sanford J. & Hart, Oliver D., 1986. "The Costs and Benefits of Ownership: A Theory of Vertical and Lateral Integration," Scholarly Articles 3450060, Harvard University Department of Economics.
  4. Hart, O. & Tirole, J., 1990. "Vertical Integration And Market Foreclosure," Working papers 548, Massachusetts Institute of Technology (MIT), Department of Economics.
  5. Géarard Gaudet & Ngo Long, 1996. "Vertical Integration, Foreclosure, and profits in the Presence of Double Marginalization," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 5(3), pages 409-432, 09.
  6. Alexander Schrader & Stephen Martin, 1998. "Vertical Market Participation," Review of Industrial Organization, Springer, vol. 13(3), pages 321-331, June.
  7. Bolton, Patrick & Whinston, Michael D, 1993. "Incomplete Contracts, Vertical Integration, and Supply Assurance," Review of Economic Studies, Wiley Blackwell, vol. 60(1), pages 121-48, January.
  8. Lin, Y Joseph, 1988. "Oligopoly and Vertical Integration: Note," American Economic Review, American Economic Association, vol. 78(1), pages 251-54, March.
  9. Muris, Timothy J & Scheffman, David T & Spiller, Pablo T, 1992. "Strategy and Transaction Costs: The Organization of Distribution in the Carbonated Soft Drink Industry," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 1(1), pages 83-128, Spring.
  10. Salinger, Michael A, 1988. "Vertical Mergers and Market Foreclosure," The Quarterly Journal of Economics, MIT Press, vol. 103(2), pages 345-56, May.
  11. Abiru, Masahiro, 1988. "Vertical Integration, Variable Proportions and Successive Oligopolies," Journal of Industrial Economics, Wiley Blackwell, vol. 36(3), pages 315-25, March.
  12. Colangelo, Giuseppe, 1995. "Vertical vs. Horizontal Integration: Pre-emptive Merging," Journal of Industrial Economics, Wiley Blackwell, vol. 43(3), pages 323-37, September.
  13. Greenhut, M L & Ohta, H, 1979. "Vertical Integration of Successive Oligopolists," American Economic Review, American Economic Association, vol. 69(1), pages 137-41, March.
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