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17.04. Micro Theory Seminar: Ran Spiegler

Micro Theory Seminar with Ran Spiegler (Tel Aviv University)

Event details
  • Micro Theory Seminar
When Apr 17, 2019
from 16:30 to 17:45
Where Faculty Room
Contact Name Stephan Lauermann
Contact Email
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  Strategic Interpretations


 We study strategic communication when the sender can influence the receiver's understanding of messages' equilibrium meaning. We focus on a pure persuasion setting, in which the informed sender wants the uninformed receiver to always choose "accept". The sender's strategy maps each state of Nature to a distribution over pairs consisting of: (i) a multi-dimensional message, and (ii) a "dictionary" that credibly discloses the state-dependent distribution of some of the message's components. The receiver does not know the sender's strategy by default; he can only interpret message components that are covered by the dictionary he is provided with. We characterize the sender's optimal persuasion strategy and show that full persuasion is possible when the prior on the acceptance state exceeds a threshold that quickly decreases with message dimensionality. We extend our analysis to situations where interpretation of messages is done by a third party with uncertain preferences, and explore alternative notions of "dictionaries".


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