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Information Exchange, Market Transparency and Dynamic Oligopoly

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Author Info
Overgaard, Per Baltzer (Department of Economics, Copenhagen Business School)
Møllgaard, Peter (Department of Economics, Copenhagen Business School)

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Abstract

In the economics literature, various views on the likely (efficiency) effects of information exchange, communication between firms and market transparency present themselves. Often these views on information flows are highly conflicting. On the one hand, it is argued that increased information dissemination improves firm planning to the benefit of society (including customers) and/or allows potential customers to make the right decisions given their preferences. On the other hand, the literature also suggests that increased information dissemination can have significant coordinating or collusive potential to the benefit of firms but at the expense of society at large (mainly, potential customers). In this chapter, we try to make sense of these views, with the aim of presenting some simple lessons for antitrust practice. In addition, the chapter presents some cases, from both sides of the Atlantic, where informational issues have played a significant role.

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Publisher Info
Paper provided by Copenhagen Business School, Department of Economics in its series Working Papers with number 13-2005.

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Length: 26 pages
Date of creation: 13 Sep 2006
Date of revision:
Handle: RePEc:hhs:cbsnow:2005_013

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Postal: Department of Economics, Copenhagen Business School, Solbjerg Plads 3 C, 5. sal, DK-2000 Frederiksberg, Denmark
Phone: 38 15 25 75
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Web page: http://www.cbs.dk/departments/econ/
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H00 - Public Economics - - General - - - General

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  1. Albaek, Svend & Mollgaard, Peter & Overgaard, Per B, 1997. "Government-Assisted Oligopoly Coordination? A Concrete Case," Journal of Industrial Economics, Blackwell Publishing, vol. 45(4), pages 429-43, December. [Downloadable!] (restricted)
    Other versions:
  2. Stiglitz, Joseph E., 1989. "Imperfect information in the product market," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 13, pages 769-847 Elsevier. [Downloadable!] (restricted)
  3. Xavier Vives, 2002. "Private Information, Strategic Behavior, and Efficiency in Cournot Markets," RAND Journal of Economics, The RAND Corporation, vol. 33(3), pages 361-376, Autumn.
  4. Abreu, Dilip, 1986. "Extremal equilibria of oligopolistic supergames," Journal of Economic Theory, Elsevier, vol. 39(1), pages 191-225, June. [Downloadable!] (restricted)
  5. Luca Lambertini & Dan Sasaki, 1999. "Optimal punishments in linear duopoly supergames with product differentiation," Journal of Economics, Springer, vol. 69(2), pages 173-188, June. [Downloadable!] (restricted)
  6. Farrell, Joseph & Rabin, Matthew, 1996. "Cheap Talk," Journal of Economic Perspectives, American Economic Association, vol. 10(3), pages 103-18, Summer. [Downloadable!] (restricted)
  7. Schultz, Christian, 2005. "Transparency on the consumer side and tacit collusion," European Economic Review, Elsevier, vol. 49(2), pages 279-297, February. [Downloadable!] (restricted)
  8. Glenn Ellison, 1994. "Theories of Cartel Stability and the Joint Executive Committee," RAND Journal of Economics, The RAND Corporation, vol. 25(1), pages 37-57, Spring. [Downloadable!] (restricted)
  9. Akerlof, George A, 1970. "The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 84(3), pages 488-500, August. [Downloadable!] (restricted)
  10. Fuller, Stephen W. & Ruppel, Fred J. & Bessler, David A., 1990. "Effect Of Contract Disclosure On Price: Railroad Grain Contracting In The Plains," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 15(02), December. [Downloadable!]
  11. Kai-Uwe Kühn, 2001. "Fighting collusion by regulating communication between firms," Economic Policy, CEPR, CES, MSH, vol. 16(32), pages 167-204, 04. [Downloadable!] (restricted)
  12. 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)
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  13. Nikolaos Georgantzís & Gerardo Sabater-Grande, 2002. "Market Transparency and Collusion: On the UK Agricultural Tractor Registration Exchange," European Journal of Law and Economics, Springer, vol. 14(2), pages 129-150, September. [Downloadable!] (restricted)
  14. George J. Stigler, 1961. "The Economics of Information," Journal of Political Economy, University of Chicago Press, vol. 69, pages 213. [Downloadable!] (restricted)
  15. 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!]
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