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Transparency and Tacit Collusion in a Differentiated Market

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Author Info
Christian Schultz ()

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Abstract

This paper investigates the effects on tacit collusion of increased market transparency on the consumer side of a market in a differentiated Hotelling duopoly. Increasing market transparency increases the benefits to a firm from underbutting the collusive price. It also decreases the punishment profit. The net effect is that collusion becomes harder to sustain. In the limiting homogeneous market, the effect vanishes. Here market transparency does not affect the possibilities for tacit collusion.

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Publisher Info
Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number CESifo Working Paper No. 730.

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Date of creation: 2002
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Handle: RePEc:ces:ceswps:_730

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Related research
Keywords: transparency; tacit collusion; competition policy; internet;

Find related papers by JEL classification:
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
L40 - Industrial Organization - - Antitrust Issues and Policies - - - General

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.:

  1. Simon P. Anderson & Regis Renault, 1999. "Pricing, product diversity, and search costs: a Bertrand-Chamberlin-Diamond model," Virginia Economics Online Papers 335, University of Virginia, Department of Economics. [Downloadable!]
    Other versions:
  2. 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. [Downloadable!] (restricted)
  3. Bester, Helmut & Petrakis, Emmanuel, 1995. "Price competition and advertising in oligopoly," European Economic Review, Elsevier, vol. 39(6), pages 1075-1088, June. [Downloadable!] (restricted)
  4. Burdett, Kenneth & Judd, Kenneth L, 1983. "Equilibrium Price Dispersion," Econometrica, Econometric Society, vol. 51(4), pages 955-69, July. [Downloadable!] (restricted)
  5. Chang, Myong-Hun, 1991. "The effects of product differentiation on collusive pricing," International Journal of Industrial Organization, Elsevier, vol. 9(3), pages 453-469, September. [Downloadable!] (restricted)
  6. Abreu, Dilip, 1986. "Extremal equilibria of oligopolistic supergames," Journal of Economic Theory, Elsevier, vol. 39(1), pages 191-225, June. [Downloadable!] (restricted)
  7. Nilsson, Arvid, 1999. "Transparency and Competition," Working Paper Series in Economics and Finance 298, Stockholm School of Economics, revised 29 Nov 1999. [Downloadable!]
  8. Friedman, James W, 1971. "A Non-cooperative Equilibrium for Supergames," Review of Economic Studies, Blackwell Publishing, vol. 38(113), pages 1-12, January. [Downloadable!] (restricted)
  9. Varian, Hal R, 1980. "A Model of Sales," American Economic Review, American Economic Association, vol. 70(4), pages 651-59, September. [Downloadable!] (restricted)
  10. Green, Edward J & Porter, Robert H, 1984. "Noncooperative Collusion under Imperfect Price Information," Econometrica, Econometric Society, vol. 52(1), pages 87-100, January. [Downloadable!] (restricted)
    Other versions:
  11. Stahl, Dale O, II, 1989. "Oligopolistic Pricing with Sequential Consumer Search," American Economic Review, American Economic Association, vol. 79(4), pages 700-712, September. [Downloadable!] (restricted)
  12. H. Peter Møllgaard & Per Baltzer Overgaard, 1999. "Market Transparency: A Mixed Blessing?," CIE Discussion Papers 1999-15, University of Copenhagen. Department of Economics. Centre for Industrial Economics, revised Feb 2000. [Downloadable!]
  13. Ross, Thomas W., 1992. "Cartel stability and product differentiation," International Journal of Industrial Organization, Elsevier, vol. 10(1), pages 1-13, March. [Downloadable!] (restricted)
    Other versions:
  14. Farrell, Joseph & Maskin, Eric, 1989. "Renegotiation in repeated games," Games and Economic Behavior, Elsevier, vol. 1(4), pages 327-360, December. [Downloadable!] (restricted)
    Other versions:
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.)

  1. Rune Stenbacka, 2002. "Microeconomic Policies in the New Economy," Finnish Economic Papers, Finnish Economic Association, vol. 15(2), pages 59-75, Autumn. [Downloadable!]
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This page was last updated on 2009-12-1.


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