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2023 Fiscal Year Final Research Report

Theoretical and experimental approaches to the economics of information transmission and the formation of an international research network

Research Project

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Project/Area Number 19H01471
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 07010:Economic theory-related
Research InstitutionWaseda University

Principal Investigator

Kawamura Kohei  早稲田大学, 政治経済学術院, 教授 (30787817)

Co-Investigator(Kenkyū-buntansha) 清水 崇  神戸大学, 経済学研究科, 教授 (80323468)
本領 崇一  同志社大学, 経済学部, 准教授 (40835667)
三浦 慎太郎  神奈川大学, 経済学部, 准教授 (80632794)
定兼 仁  京都大学, 経済研究所, 助教 (30804900)
Project Period (FY) 2019-04-01 – 2023-03-31
Keywords情報伝達 / 情報開示 / チープトーク / シグナリング / ベイズ説得
Outline of Final Research Achievements

We first developed a community of researchers working on economic analysis of information transmission based in Japan, through both in-person and online workshops. In the following step, by inviting researchers based outside of Japan and deepening research exchanges with them, we obtained international recognition of the activities and research output of the research community. This has allowed us to obtain feedback from both domestic and overseas researchers on ongoing research projects, and created an environment that promotes international collaboration. Utilizing this environment, for example, in our research on the reliability of online news, we demonstrated that easier access to news articles decreases their credibility. In our research on voting theory, we derived the equilibria where the most efficient aggregation of information occurs, and demonstrated their intuitive and practical implications.

Free Research Field

情報伝達の経済分析

Academic Significance and Societal Importance of the Research Achievements

社会における情報の氾濫と信頼性低下が危惧される中、情報伝達の経済分析は学術的、および社会的な重要性を増す一方、我が国では複数の大学にまたがる当分野の研究者が定期的に会し、研究水準を高め合う機会が無かった。本研究では多数の研究会開催と海外研究者の招聘を通して、国際共同研究を推進する環境を整備し、同時に当研究者グループは日本における当分野の研究拠点として国際的認知を獲得することができた。この環境を活かし、情報伝達の経済分析に国際学術誌への出版を通した貢献を行うとともに、オンラインニュースの信頼性についての経済理論分析をはじめとした、実社会の問題に直接的な関わりを持つ研究成果をあげた。

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Published: 2025-01-30  

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