A (Dis-)information Theory of Revealed and Unrevealed Preferences: Emerging Deception and Skepticism via Theory of Mind

Nitay Alon, Lion Schulz*, Jeffrey S. Rosenschein, Peter Dayan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In complex situations involving communication, agents might attempt to mask their intentions, exploiting Shannon’s theory of information as a theory of misinformation. Here, we introduce and analyze a simple multiagent reinforcement learning task where a buyer sends signals to a seller via its actions, and in which both agents are endowed with a recursive theory of mind. We show that this theory of mind, coupled with pure reward-maximization, gives rise to agents that selectively distort messages and become skeptical towards one another. Using information theory to analyze these interactions, we show how savvy buyers reduce mutual information between their preferences and actions, and how suspicious sellers learn to reinterpret or discard buyers’ signals in a strategic manner.

Original languageAmerican English
Pages (from-to)608-624
Number of pages17
JournalOpen Mind
Volume7
DOIs
StatePublished - 20 Aug 2023

Bibliographical note

Publisher Copyright:
© 2023 Massachusetts Institute of Technology Published under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.

Keywords

  • IPOMDP
  • communication
  • deception
  • disinformation
  • multi-agent-RL
  • skepticism
  • theory of mind

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