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Effective Communication in Cheap-Talk Games

Author

Listed:
  • Sidartha Gordon

    (ECON - Département d'économie (Sciences Po) - Sciences Po - Sciences Po - CNRS - Centre National de la Recherche Scientifique, LEDa - Laboratoire d'Economie de Dauphine - IRD - Institut de Recherche pour le Développement - Université Paris Dauphine-PSL - PSL - Université Paris Sciences et Lettres - CNRS - Centre National de la Recherche Scientifique)

  • Navin Kartik
  • Melody Pei-Yu Lo
  • Wojciech Olszewski
  • Joel Sobel

Abstract

This paper presents arguments based on weak dominance and learning for selecting informative equilibria in a model of cheap-talk communication where players must use monotonic strategies. Under a standard regularity condition, only one equilibrium survives iterated deletion of dominated strategies. Under the same condition, we establish that best-response dynamics converges to this outcome.

Suggested Citation

  • Sidartha Gordon & Navin Kartik & Melody Pei-Yu Lo & Wojciech Olszewski & Joel Sobel, 2024. "Effective Communication in Cheap-Talk Games," SciencePo Working papers Main hal-04743271, HAL.
    • Handle: RePEc:hal:spmain:hal-04743271
    Note: View the original document on HAL open archive server: https://hal.science/hal-04743271v1
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