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Price or Quantity in Tacit Collusion?

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  • Luca Lambertini

    (Dept. of Economics, University of Bologna)

  • Christian Schultz

    (Institute of Economics, University of Copenhagen)

Abstract

We investigate the choice of market variable, price or quantity, of an optimal implicit cartel. If the discount factor is high, the cartel can realize the monopoly profit in both cases. Otherwise, it is optimal for the cartel to rely on quantities in the collusive phase if goods are substitutes and prices if goods are complements. The reason is that this minimizes the gains from deviations from collusive play.

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File URL: http://www.econ.ku.dk/cie/dp/dp_2000-2002/2001-05.pdf/
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Bibliographic Info

Paper provided by University of Copenhagen. Department of Economics. Centre for Industrial Economics in its series CIE Discussion Papers with number 2001-05.

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Length: 7 pages
Date of creation: Oct 2001
Date of revision:
Handle: RePEc:kud:kuieci:2001-05

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Keywords: Partial collusion; product differentiation;

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References

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  1. Rothschild, R., 1992. "On the sustainability of collusion in differentiated duopolies," Economics Letters, Elsevier, vol. 40(1), pages 33-37, September.
  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.
  3. Majerus, David W., 1988. "Price vs. quantity competition in oligopoly supergames," Economics Letters, Elsevier, vol. 27(3), pages 293-297.
  4. Deneckere, R., 1983. "Duopoly supergames with product differentiation," Economics Letters, Elsevier, vol. 11(1-2), pages 37-42.
  5. Friedman, James W, 1971. "A Non-cooperative Equilibrium for Supergames," Review of Economic Studies, Wiley Blackwell, vol. 38(113), pages 1-12, January.
  6. Albaek, Svend & Lambertini, Luca, 1998. "Collusion in differentiated duopolies revisited," Economics Letters, Elsevier, vol. 59(3), pages 305-308, June.
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Cited by:
  1. Aguiar-Conraria, Luís & Wen, Yi, 2012. "OPEC's oil exporting strategy and macroeconomic (in)stability," Energy Economics, Elsevier, vol. 34(1), pages 132-136.
  2. L. Lambertini & G. Rossini, 2004. "The gains from cooperative R&D with a concave technology and spillovers," Working Papers 508, Dipartimento Scienze Economiche, Universita' di Bologna.
  3. Baldelli, Serena & Lambertini, Luca, 2006. "Price vs quantity in a duopoly supergame with Nash punishments," Research in Economics, Elsevier, vol. 60(3), pages 121-130, September.
  4. Hyytinen, Ari & Steen, Frode & Toivanen, Otto, 2012. "Anatomy of Cartel Contracts," Discussion Paper Series in Economics 25/2012, Department of Economics, Norwegian School of Economics.
  5. Scrimitore, Marcella, 2013. "Price or quantity? The strategic choice of subsidized firms in a mixed duopoly," Economics Letters, Elsevier, vol. 118(2), pages 337-341.
  6. Alessandra Chirco & Caterina Colombo & Marcella Scrimitore, 2013. "Organizational Structure and the Choice of Price vs. Quantity in a Mixed Duopoly," Working Paper Series 27_13, The Rimini Centre for Economic Analysis.

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