To spy or not to (fire the) spy: The benefits of acquiring information about rivalsâ€™ play in Bertrand competition
The present paper explores the impact of planting a spy in a competing firm who discloses operational information about pricing in a Bertrand market game with differentiated products under incomplete information. The results depend upon whether the presence of the spy is common knowledge and whether the identity of the spy has been disclosed. Altogether, spying may benefit both the spying and the spied at firm. Although the spied at firm would prefer not to be spied at if its cost is low, firing the spy, which is an option if the spyâ€™s identity has been disclosed, adversely affects beliefs and is never profitable.
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- Amir, Rabah & Stepanova, Anna, 2006.
"Second-mover advantage and price leadership in Bertrand duopoly,"
Games and Economic Behavior,
Elsevier, vol. 55(1), pages 1-20, April.
- Rabah Amir & Anna Stepanova, 2000. "Second-Mover Advantage and Price Leadership in Bertrand Duopoly," CIE Discussion Papers 2000-10, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
- AMIR, Rabah & STEPANOVA, Anna, 2004. "Second-mover advantage and price leadership in Bertrand duopoly," CORE Discussion Papers 2004037, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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