Decentralized Signaling Mechanisms

Fuente: arXiv
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Hauptverfasser: Boroujeni, Niloufar Mirzavand, Iyer, Krishnamurthy, Cooper, William L.
Format: Preprint
Veröffentlicht: 2025
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author Boroujeni, Niloufar Mirzavand
Iyer, Krishnamurthy
Cooper, William L.
author_facet Boroujeni, Niloufar Mirzavand
Iyer, Krishnamurthy
Cooper, William L.
contents We study a system composed of multiple distinct service locations that aims to convince customers to join the system by providing information to customers. We cast the system's information design problem in the framework of Bayesian persuasion and describe centralized and decentralized signaling. We provide efficient methods for computing the system's optimal centralized and decentralized signaling mechanisms and derive a performance guarantee for decentralized signaling when the locations' states are independent. The guarantee states that the probability that a customer joins under optimal decentralized signaling is bounded below by the product of a strictly positive constant and the probability that a customer joins under optimal centralized signaling. The constant depends only on the number of service locations. We provide an example that shows that the constant cannot be improved. We consider an extension to more-general objectives for the system and establish that the same guarantee continues to hold. We also extend our analysis to systems where the locations' states are correlated, and again derive a performance guarantee for decentralized signaling in that setting. For the correlated setting, we prove that the guarantee's asymptotic dependence upon the number of locations cannot be substantially improved. A comparison of our guarantees for independent locations and for correlated locations reveals the influence of dependence on the performance of decentralized signaling.
format Preprint
id arxiv_https___arxiv_org_abs_2504_14163
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Decentralized Signaling Mechanisms
Boroujeni, Niloufar Mirzavand
Iyer, Krishnamurthy
Cooper, William L.
Computer Science and Game Theory
Multiagent Systems
Theoretical Economics
91A28, 90B99, 68W25
We study a system composed of multiple distinct service locations that aims to convince customers to join the system by providing information to customers. We cast the system's information design problem in the framework of Bayesian persuasion and describe centralized and decentralized signaling. We provide efficient methods for computing the system's optimal centralized and decentralized signaling mechanisms and derive a performance guarantee for decentralized signaling when the locations' states are independent. The guarantee states that the probability that a customer joins under optimal decentralized signaling is bounded below by the product of a strictly positive constant and the probability that a customer joins under optimal centralized signaling. The constant depends only on the number of service locations. We provide an example that shows that the constant cannot be improved. We consider an extension to more-general objectives for the system and establish that the same guarantee continues to hold. We also extend our analysis to systems where the locations' states are correlated, and again derive a performance guarantee for decentralized signaling in that setting. For the correlated setting, we prove that the guarantee's asymptotic dependence upon the number of locations cannot be substantially improved. A comparison of our guarantees for independent locations and for correlated locations reveals the influence of dependence on the performance of decentralized signaling.
title Decentralized Signaling Mechanisms
topic Computer Science and Game Theory
Multiagent Systems
Theoretical Economics
91A28, 90B99, 68W25
url https://arxiv.org/abs/2504.14163