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Spying in Multi-market Oligopolies

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Author Info

  • Pascal Billand

    (CREUSET, Jean Monnet University)

  • Christophe Bravard

    (CREUSET, Jean Monnet University)

  • Subhadip Chakrabarti

    (School of Management and Economics, Queen’s University Belfast)

  • Sudipta Sarangi

    (DIW Berlin and Department of Economics, Louisiana State University)

Abstract

We consider a multimarket framework where a set of firms compete on two interrelated oligopolistic markets. Prior to competing in these markets, firms can spy on others in order to increase the quality of their product. We characterize the equilibrium espionage networks and networks that maximize social welfare under the most interesting scenario of diseconomies of scope. We find that in some situations firms may refrain from spying even if it is costless. Moreover, even though spying leads to increased product quality, there exist situations where it is detrimental to both consumer welfare and social welfare.

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Bibliographic Info

Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2010.117.

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Date of creation: Sep 2010
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Handle: RePEc:fem:femwpa:2010.117

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Keywords: Oligopoly; Multimarket; Networks;

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References

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  1. Sumit Joshi, 2000. "Networks of Collaboration in Oligopoly," Econometric Society World Congress 2000 Contributed Papers 0623, Econometric Society.
  2. Billand, P. & Bravard, C., 2004. "Non-cooperative networks in oligopolies," International Journal of Industrial Organization, Elsevier, vol. 22(5), pages 593-609, May.
  3. Goyal, S. & Joshi, S., 2000. "Networks of Collaboration in Oligopoly," Econometric Institute Research Papers EI 9952-/A, Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute.
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Cited by:
  1. Barrachina, Alex & Tauman, Yair & Urbano, Amparo, 2014. "Entry and espionage with noisy signals," Games and Economic Behavior, Elsevier, vol. 83(C), pages 127-146.
  2. Yair Tauman & Alex Barrachina, 2012. "Industrial Espionage with a Noisy Intelligence," Department of Economics Working Papers 12-06, Stony Brook University, Department of Economics.

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