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2021 Fiscal Year Final Research Report

On the foundation of multi-sender signaling games

Research Project

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Project/Area Number 19K13658
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 07010:Economic theory-related
Research InstitutionDoshisha University

Principal Investigator

Honryo Takakazu  同志社大学, 経済学部, 准教授 (40835667)

Project Period (FY) 2019-04-01 – 2022-03-31
Keywordsシグナリングゲーム
Outline of Final Research Achievements

This research shows that in generic multi-sender signaling games stable outcomes of Kohlberg and Mertens (1986) implies unprejudiced belief of Bagweel and Ramey (1991). It follows by forward induction that stable sets contain an equilibrium which is unprejudiced and intuitive (Cho and Kreps (1986)) at the same time. The finding was published on Games and Economic Behavior.

Free Research Field

ゲーム理論

Academic Significance and Societal Importance of the Research Achievements

複数の情報の送り手がいるシグナリンゲームについては、広範な応用が存在するが、これまで、均衡の精緻化についての基礎づけが不十分なまま研究が進められてきた。本研究では、単数センダーのシグナリングゲームと同様に、Kohlberg and Mertens (1986)のStrategic stabilityに基づく均衡の精緻化が、実はこれまで複数センダーのシグナリンゲームで利用されてきた均衡の選択方法に一定の正当性を与えることを示した。

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Published: 2023-01-30  

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