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Tie-breaking rules and divisibility in experimental duopoly markets

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Puzzello, Daniela

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Abstract

We investigate pricing behavior of sellers in duopoly markets with posted prices and market power. The two treatment variables are given by tie-breaking rules and divisibility of the price space. The first treatment variable deals with the rule under which demanded units are allocated between sellers in case of a price tie. A change in divisibility is modeled by making the sellers' price space finer or coarser. We find that the incidence of perfect collusion is significantly higher under the sharing tie-breaking rule than under the random (coin-toss) one, especially when the price space is less divisible.

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Publisher Info
Article provided by Elsevier in its journal Journal of Economic Behavior & Organization.

Volume (Year): 67 (2008)
Issue (Month): 1 (July)
Pages: 164-179
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Handle: RePEc:eee:jeborg:v:67:y:2008:i:1:p:164-179

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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. Benson, Bruce L. & Faminow, M. D., 1988. "The impact of experience on prices and profits in experimental duopoly markets," Journal of Economic Behavior & Organization, Elsevier, vol. 9(4), pages 345-365, June. [Downloadable!] (restricted)
  2. Deneckere, Raymond J & Kovenock, Dan & Lee, Robert, 1992. "A Model of Price Leadership Based on Consumer Loyalty," Journal of Industrial Economics, Blackwell Publishing, vol. 40(2), pages 147-56, June. [Downloadable!] (restricted)
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  3. Natalia Fabra & Nils-Henrik M. von der Fehr & David Harbord, 2006. "Designing Electricity Auctions," RAND Journal of Economics, The RAND Corporation, vol. 37(1), pages 23-46, Spring.
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  4. Huck, Steffen & Normann, Hans-Theo & Oechssler, Jorg, 2000. "Does information about competitors' actions increase or decrease competition in experimental oligopoly markets?," International Journal of Industrial Organization, Elsevier, vol. 18(1), pages 39-57, January. [Downloadable!] (restricted)
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  5. Holt, Charles A, 1989. "The Exercise of Market Power in Laboratory Experiments," Journal of Law & Economics, University of Chicago Press, vol. 32(2), pages S107-30, October.
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  6. Huck, Steffen & Muller, Wieland & Normann, Hans-Theo, 2001. "Stackelberg Beats Cournot: On Collusion and Efficiency in Experimental Markets," Economic Journal, Royal Economic Society, vol. 111(474), pages 749-65, October. [Downloadable!] (restricted)
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  7. Feinberg, Robert M & Husted, Thomas A, 1993. "An Experimental Test of Discount-Rate Effects on Collusive Behaviour in Duopoly Markets," Journal of Industrial Economics, Blackwell Publishing, vol. 41(2), pages 153-60, June. [Downloadable!] (restricted)
  8. von der Fehr, Nils-Henrik Morch & Harbord, David, 1993. "Spot Market Competition in the UK Electricity Industry," Economic Journal, Royal Economic Society, vol. 103(418), pages 531-46, May. [Downloadable!] (restricted)
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  9. Huck, Steffen & Normann, Hans-Theo & Oechssler, Jorg, 2004. "Two are few and four are many: number effects in experimental oligopolies," Journal of Economic Behavior & Organization, Elsevier, vol. 53(4), pages 435-446, April. [Downloadable!] (restricted)
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  10. Dechenaux, Emmanuel & Kovenock, Dan, 2003. "Endogenous Rationing, Price Dispersion, and Collusion in Capacity Constrained Supergames," Purdue University Economics Working Papers 1164, Purdue University, Department of Economics. [Downloadable!]
  11. Narasimhan, Chakravarthi, 1988. "Competitive Promotional Strategies," Journal of Business, University of Chicago Press, vol. 61(4), pages 427-49, October. [Downloadable!] (restricted)
  12. Compte, Olivier & Jenny, Frederic & Rey, Patrick, 2002. "Capacity constraints, mergers and collusion," European Economic Review, Elsevier, vol. 46(1), pages 1-29, January. [Downloadable!] (restricted)
  13. Plott, Charles R & Smith, Vernon L, 1978. "An Experimental Examination of Two Exchange Institutions," Review of Economic Studies, Blackwell Publishing, vol. 45(1), pages 133-53, February. [Downloadable!] (restricted)
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  14. Douglas D. Davis & Charles A. Holt, 1994. "Market Power and Mergers in Laboratory Markets with Posted Prices," RAND Journal of Economics, The RAND Corporation, vol. 25(3), pages 467-487, Autumn. [Downloadable!] (restricted)
  15. Dufwenberg, Martin & Gneezy, Uri, 2000. "Price competition and market concentration: an experimental study," International Journal of Industrial Organization, Elsevier, vol. 18(1), pages 7-22, January. [Downloadable!] (restricted)
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  1. Shakun Datta Mago & Emmanuel Dechenaux, 2009. "Price leadership and firm size asymmetry: an experimental analysis," Experimental Economics, Springer, vol. 12(3), pages 289-317, September. [Downloadable!] (restricted)
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