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Can More Information Facilitate Communication?

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  • Junichiro Ishida,
  • Takashi Shimizu

Abstract

In this paper we analyze a cheap talk model with a partially informed receiver. In clear contrast to the previous literature, we find that there is a case where the receiver's prior knowledge enhances the amount of information conveyed via cheap talk. The point of departure is our explicit focus on the "dual role" of the sender's message in this context: when the receiver has imperfect private information of her own, the sender's message provides information about the true state as well as about the reliability of the receiver's private information. This feature gives rise to the asymmetric response of the receiver's action, where the receiver reacts less to the truthful message and more to the misrepresented one, which is essential in disciplining the sender to be more truthful.

Suggested Citation

  • Junichiro Ishida, & Takashi Shimizu, 2012. "Can More Information Facilitate Communication?," ISER Discussion Paper 0839, Institute of Social and Economic Research, Osaka University.
    • Handle: RePEc:dpr:wpaper:0839
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    File URL: https://www.iser.osaka-u.ac.jp/library/dp/2012/DP0839.pdf
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    References listed on IDEAS

    as
    1. Austen-Smith David, 1993. "Interested Experts and Policy Advice: Multiple Referrals under Open Rule," Games and Economic Behavior, Elsevier, vol. 5(1), pages 3-43, January.
    2. Galeotti, Andrea & Ghiglino, Christian & Squintani, Francesco, 2013. "Strategic information transmission networks," Journal of Economic Theory, Elsevier, vol. 148(5), pages 1751-1769.
    3. Galeotti, Andrea & Ghiglino, Christian & Squintani, Francesco, 2009. "Strategic Information Transmission in Networks," Economics Discussion Papers 2974, University of Essex, Department of Economics.
    4. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-1451, November.
    5. Junichiro Ishida & Takashi Shimizu, 2009. "Cheap Talk with an Informed Receiver," ISER Discussion Paper 0746r, Institute of Social and Economic Research, Osaka University, revised Jun 2015.
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    Cited by:

    1. Lai, Ernest K., 2014. "Expert advice for amateurs," Journal of Economic Behavior & Organization, Elsevier, vol. 103(C), pages 1-16.
    2. Junichiro Ishida & Takashi Shimizu, 2009. "Cheap Talk with an Informed Receiver," ISER Discussion Paper 0746r, Institute of Social and Economic Research, Osaka University, revised Jun 2015.

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