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Risk Aversion and Tacit Collusion in a Bertrand Duopoly Experiment

  • Lisa R. Anderson

    ()

    (Department of Economics, College of William and Mary)

  • Beth A. Freeborn

    ()

    (Department of Economics, College of William and Mary)

  • Jason P. Hulbert

    ()

    (Department of Economics, College of William and Mary)

We investigate the relationship between collusive behavior in Bertrand oligopoly experiments and subject heterogeneity in risk preferences. We find that risk aversion is positively associated with tacit collusion when the goods are complements, but find no evidence of collusive behavior when the goods are substitutes. Furthermore, risk aversion is associated with lower prices with complement goods, but does not impact pricing behavior with substitute goods. In both treatments, we find that subjects tend to follow the price change of the other seller. In the complements treatment, however, this tendency increases with the degree of risk aversion.

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File URL: http://economics.wm.edu/wp/cwm_wp84.pdf
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Paper provided by Department of Economics, College of William and Mary in its series Working Papers with number 84.

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Length: 26 pages
Date of creation: 11 Jun 2009
Date of revision:
Handle: RePEc:cwm:wpaper:84
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  1. Neugebauer, Tibor & Perote, Javier & Schmidt, Ulrich & Loos, Malte, 2009. "Selfish-biased conditional cooperation: On the decline of contributions in repeated public goods experiments," Journal of Economic Psychology, Elsevier, vol. 30(1), pages 52-60, February.
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  11. Christoph Engel, 2006. "How Much Collusion. A Meta-Analysis On Oligopoly Experiments," Working Paper Series of the Max Planck Institute for Research on Collective Goods 2006_27, Max Planck Institute for Research on Collective Goods.
  12. Lisa R. Anderson & Jennifer M. Mellor, 2007. "Predicting Health Behaviors with an Experimental Measure of Risk Preference," Working Papers 59, Department of Economics, College of William and Mary.
  13. Jellal, Mohamed & wolff, François charles, 2005. "Free entry under uncertainty," MPRA Paper 38376, University Library of Munich, Germany.
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  18. Suetens, S. & Potters, J.J.M., 2007. "Bertrand colludes more than Cournot," Other publications TiSEM 884b5bf4-2acb-4ce8-b2bf-4, Tilburg University, School of Economics and Management.
  19. Lisa R. Anderson & Beth A. Freeborn & Charles A. Holt, 2010. "Tacit Collusion in Price-Setting Duopoly Markets: Experimental Evidence with Complements and Substitutes," Southern Economic Journal, Southern Economic Association, vol. 76(3), pages 577-591, January.
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  24. Lisa R. Anderson & Beth A. Freeborn & Charles A. Holt, 2008. "Tacit Collusion in Price-Setting Duopoly Markets: Experimental Evidence," Working Papers 73, Department of Economics, College of William and Mary.
  25. Millner, Edward L & Pratt, Michael D, 1991. " Risk Aversion and Rent-Seeking: An Extension and Some Experimental Evidence," Public Choice, Springer, vol. 69(1), pages 81-92, February.
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