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Confidence and competence in communication

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    Rights statement: © Kawamura, K. (2015). Confidence and competence in communication. Theory and Decision, 78(2), 233-259. 10.1007/s11238-014-9416-5

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Original languageEnglish
Pages (from-to)233-259
JournalTheory and Decision
Issue number2
Early online date13 Feb 2014
Publication statusPublished - 1 Feb 2015


This paper studies information transmission between an uninformed decision
maker (receiver) and an informed agent (sender) who have asymmetric beliefs
(“confidence”) on the sender’s ability (“competence”) to observe the state of nature.
We find that even when the material payoffs of the players are perfectly aligned,
the sender’s over- and underconfidence on his information give rise to information
loss in communication, although they do not by themselves completely eliminate
information transmission in equilibrium. However, an underconfident sender may
prefer no communication to informative communication. We also show that when
the sender is biased, overconfidence can lead to more information transmission and
welfare improvement.

    Research areas

  • overconfidence, underconfidence, communication apprehension, cheap talk, D03, D83

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