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Incentives and welfare effect of sharing firm-specific information

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  • Jin, Jim Y.

Abstract

This paper studies the incentives and the welfare effect of sharing firm-specific information in asymmetric Cournot and Bertrand oligopoly with mixed substitute and complement goods. Revealing firm-specific cost information is the dominant strategy in Cournot oligopoly, while concealing is so in Bertrand oligopoly. Such information sharing always hurts consumers. It increases social welfare in quantity competition and reduces social welfare in price competition. The results of sharing firm-specific cost information in Cournot oligopoly also apply to sharing firm-specific demand information in Cournot and Bertrand competition.

Suggested Citation

  • Jin, Jim Y., 1997. "Incentives and welfare effect of sharing firm-specific information," Discussion Papers, Research Unit: Market Dynamics FS IV 97-48, WZB Berlin Social Science Center.
    • Handle: RePEc:zbw:wzbmdy:fsiv9748
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