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Behavioral Economic Theory and Market Analysis

Research Project

Project/Area Number 20K13451
Research Category

Grant-in-Aid for Early-Career Scientists

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

Principal Investigator

Murooka Takeshi  大阪大学, 大学院国際公共政策研究科, 准教授 (10796345)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords行動経済学 / メカニズム設計 / 消費者保護政策 / ナイーブ / 契約理論 / 産業組織論 / ミクロ経済学 / 競争政策 / 自尊心 / 市場設計 / 行動経済理論 / 市場分析 / 学習 / 消費者保護制作
Outline of Research at the Start

本研究は、一部の消費者が合理性からシステマティックに外れた予想をもっている(ナイーブである)場合の市場均衡分析、および近年の心理学からの知見を組み入れた新たな行動経済理論モデルの構築を目的とする。具体的には、消費者の一部がナイーブな場合における最適な市場メカニズムの設計、および個人が内生的にナイーブになってしまう理論の研究を行う。

Outline of Final Research Achievements

This research project focused on the impact of psychological phenomena in economic settings, with a focus on models in which some consumers are naive (i.e., they have systematically biased beliefs). As main results, I published I) a model of fragile self-esteem (i.e., self-esteem that is vulnerable to objectively unjustified swings) and analyze its implications for choices that depend on, or are aimed at enhancing or protecting, one's self-view, and II) a study on an adverse selection environment between an informed seller and an uninformed buyer, where no trade occurs when all buyers are the standard Bayesian-rational type.

Academic Significance and Societal Importance of the Research Achievements

研究代表者は、ナイーブな消費者(合理的期待からシステマティックに乖離した予想をもっている消費者)の理論および市場分析への応用を研究した。これにより、行動経済学の学術的なフロンティアを進展させたとともに、現実の市場における新たな経済厚生および消費者保護政策への含意を導いた。合わせて、消費者庁、総務省情報通信政策研究所、内閣府消費者委員会などにおいて、本研究課題に基づく消費者保護政策および競争政策への含意に関して報告・ディスカッション・ヒアリングを行った。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (26 results)

All 2023 2022 2021 2020 Other

All Int'l Joint Research (11 results) Journal Article (4 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results,  Open Access: 4 results) Presentation (10 results) (of which Int'l Joint Research: 4 results,  Invited: 5 results) Book (1 results)

  • [Int'l Joint Research] Central European University(ハンガリー)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] University of Dusseldorf(ドイツ)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] University of Linz(オーストリア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Toulouse School of Economics(フランス)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Carnegie Mellon University(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] Central European University(ハンガリー)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] University of Munich/University of Dusseldorf(ドイツ)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] University of Linz(オーストリア)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] Toulouse School of Economics(フランス)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] Carnegie Mellon University(米国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2020 Research-status Report
  • [Journal Article] Adverse selection and bounded rationality: an impossibility theorem2023

    • Author(s)
      Murooka Takeshi、Yamashita Takuro
    • Journal Title

      The Japanese Economic Review

      Volume: - Issue: 3 Pages: 439-444

    • DOI

      10.1007/s42973-022-00119-w

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Fragile Self-Esteem2022

    • Author(s)
      Koszegi Botond、Loewenstein George、Murooka Takeshi
    • Journal Title

      The Review of Economic Studies

      Volume: 89 Issue: 4 Pages: 2026-2060

    • DOI

      10.1093/restud/rdab060

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Multi-Player Bayesian Learning with Misspecified Models2021

    • Author(s)
      室岡健志、山本裕一
    • Journal Title

      OSIPP Discussion Paper

      Volume: 001 Pages: 1-112

    • Related Report
      2020 Research-status Report
    • Open Access
  • [Journal Article] Consumer Protection Policies and Behavioral Economics2020

    • Author(s)
      室岡健志
    • Journal Title

      Journal of Behavioral Economics and Finance

      Volume: 13 Issue: 0 Pages: 105-109

    • DOI

      10.11167/jbef.13.105

    • NAID

      130007976051

    • ISSN
      2185-3568
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 行動経済学とマーケットデザイン2022

    • Author(s)
      室岡健志
    • Organizer
      日本経済学会春季大会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Optimal Trade Mechanisms with Adverse Selection and Inferential Naivety2022

    • Author(s)
      室岡健志
    • Organizer
      Society for the Advancement of Economic Theory
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Optimal Trade Mechanisms with Adverse Selection and Inferential Naivety2022

    • Author(s)
      室岡健志
    • Organizer
      Decentralization Conference in Japan
    • Related Report
      2022 Annual Research Report
  • [Presentation] Procrastination Markets2022

    • Author(s)
      室岡健志
    • Organizer
      日本応用経済学会秋季大会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] Informal Incentives and Labor Markets2022

    • Author(s)
      室岡健志
    • Organizer
      Asian and Australasian Society of Labour Economics
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Procrastination Markets2021

    • Author(s)
      室岡健志
    • Organizer
      Virtual East Asia Experimental and Behavioral Economics Seminar
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] The Provision of High-Powered Incentives under Multitasking2020

    • Author(s)
      室岡健志
    • Organizer
      日本経済学会春季大会
    • Related Report
      2020 Research-status Report
  • [Presentation] シンポジウム『消費者法の作り方』2020

    • Author(s)
      室岡健志
    • Organizer
      法と経済学会全国大会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Multi-Player Bayesian Learning with Misspecified Models2020

    • Author(s)
      室岡健志
    • Organizer
      CESifo Area Conference on Behavioural Economics
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Fragile Self-Esteem2020

    • Author(s)
      室岡健志
    • Organizer
      Decision Theory Workshop
    • Related Report
      2020 Research-status Report
    • Invited
  • [Book] 行動経済学2023

    • Author(s)
      室岡 健志
    • Total Pages
      260
    • Publisher
      日本評論社
    • ISBN
      9784535540545
    • Related Report
      2022 Annual Research Report

URL: 

Published: 2020-04-28   Modified: 2024-01-30  

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