Ikeda Naoshi 池田直史

Researcher Number	90725243
Other IDs
Affiliation (Current)	2025: 日本大学, 法学部, 准教授
Affiliation (based on the past Project Information) *help	2025: 日本大学, 法学部, 准教授 2020 – 2023: 日本大学, 法学部, 准教授 2016 – 2019: 東京工業大学, 工学院, 助教 2015: 東京工業大学, 社会理工学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 07060:Money and finance-related / Money/ Finance Except Principal Investigator Medium-sized Section 7:Economics, business administration, and related fields / Management
Keywords	Principal Investigator 異質的期待 / 新規株式公開 / 資産価格形成 / 期待形成 / 資産価格 / 空売り制約 / 企業金融 / 曖昧性回避 / リスク回避 / 経営者の異質性 … More / 楽観度 / 投資行動 / 異質性 / 報酬体系 / 固有リスク / リスク回避度 / 経営者 / 長期パフォーマンス … More Except Principal Investigator 経営財務 / 企業行動分析 / テキスト分析 / Word Embedding / 開示制度変更 / リスクプレミアム / M&A / 市場流動性 / 開示制度 / ファイナンス / 有価証券報告書 / テキストマイニング / 企業の投資行動 / 国際比較研究 / 企業統治 / 国際比較 / 企業行動 / コーポレートガバナンス Less

企業の開示情報が投資家の期待形成に与える影響：新規株式公開に着目してPrincipal Investigator
- Principal Investigator
  
  池田直史
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07060:Money and finance-related
- Research Institution
  Nihon University
投資家の期待形成とその期待が金融市場に与える影響Principal Investigator
- Principal Investigator
  
  池田直史
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07060:Money and finance-related
- Research Institution
  Nihon University
Investor heterogeneous beliefs and asset pricingPrincipal Investigator
- Principal Investigator
  
  IKEDA Naoshi
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07060:Money and finance-related
- Research Institution
  Nihon University
  Tokyo Institute of Technology
Analysis of the value of textual information in annual reports through natural language processing
- Principal Investigator
  
  Inoue Kotaro
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 7:Economics, business administration, and related fields
- Research Institution
  Tokyo Institute of Technology
Managerial heterogeneity and corporate behaviorPrincipal Investigator
- Principal Investigator
  
  Ikeda Naoshi
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Money/ Finance
- Research Institution
  Tokyo Institute of Technology
Formation of stock prices under heterogeneous beliefs: Focusing on long-run performance of IPOsPrincipal Investigator
- Principal Investigator
  
  Ikeda Naoshi
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Money/ Finance
- Research Institution
  Tokyo Institute of Technology
Corporate Governance, Firm Behavior, and Firm Performance: International Comparison
- Principal Investigator
  
  Inoue Kotaro
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Management
- Research Institution
  Tokyo Institute of Technology

All 2023 2022 2021 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] Optimism, divergence of investors’ opinions, and the long-run underperformance of IPOs2023
- Author(s)
  Naoshi Ikeda
- Journal Title
  
  Journal of Financial Markets
  
  Volume: 64 Pages: 100800-100800
- DOI
  10.1016/j.finmar.2022.100800
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K01581
[Journal Article] 企業間の類似性とM&A：テキスト分析アプローチ2022
- Author(s)
  小室幸人,　池田直史,　井上光太郎
- Journal Title
  
  金融経済研究
  
  Volume: 45 Pages: 1-21
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18566
[Journal Article] 企業間の類似性とM&A：テキスト分析アプローチ2021
- Author(s)
  小室幸人、池田直史、井上光太郎
- Journal Title
  
  金融経済研究
  
  Volume: Forthcoming
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18566
[Journal Article] Managerial optimism and corporate investment behavior2021
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Shoji Sugitani
- Journal Title
  
  Journal of Behavioral and Experimental Finance
  
  Volume: 30 Pages: 100492-100492
- DOI
  10.1016/j.jbef.2021.100492
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K01731
[Journal Article] 有価証券報告書のテキストマイニングによる株式のリスクファクター分析2021
- Author(s)
  佐藤隆清、池田直史、井上光太郎
- Journal Title
  
  証券アナリストジャーナル
  
  Volume: 59 (1) Pages: 99-111
- NAID
  40022460985
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18566
[Journal Article] 労働者保護とM&Aのパフォーマンス：国際比較分析2019
- Author(s)
  岩崎康大、池田直史、井上光太郎
- Journal Title
  
  経済研究
  
  Volume: 印刷中
- NAID
  120007126012
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H03375
[Journal Article] Risk aversion, compensation scheme, and corporate investment: Evidence form the field2019
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, and Takashi Yamasaki
- Journal Title
  
  Social Science Research Network (SSRN)
  
  Volume: n.a. Pages: 1-27
- Open Access
- Data Source
  KAKENHI-PROJECT-17K13760
[Journal Article] Optimism, Divergence of Opinion, and the Long-Run Performance of IPOs2019
- Author(s)
  Naoshi Ikeda
- Journal Title
  
  Social Science Research Network (SSRN)
  
  Volume: - Pages: 1-59
- DOI
  10.2139/ssrn.2951535
- Open Access
- Data Source
  KAKENHI-PROJECT-19K01731
[Journal Article] Enjoying the quiet life: Corporate decision-making by the entrenched managers2018
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Sho Watanabe
- Journal Title
  
  Journal of The Japanese and International Economies
  
  Volume: 47 Pages: 55-69
- DOI
  10.1016/j.jjie.2017.12.003
- NAID
  210000177909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03375
[Journal Article] Enjoying the quiet life: Corporate decision-making by the entrenched managers2017
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Sho Watanabe
- Journal Title
  
  NBER Working Paper
  
  Volume: WP23804
- NAID
  210000177909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H03375
[Journal Article] Optimistic Investors and Long-Run Performance of IPOs: Testing the Theory of Heterogeneous Beliefs and Short-Sale Constraints2016
- Author(s)
  Naoshi Ikeda
- Journal Title
  
  Social Science Research Network (SSRN)
  
  Volume: －
- Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K17088
[Journal Article] 個人投資家の参照点と株式公開買付け価格2016
- Author(s)
  小澤　宏貴、池田直史、井上光太郎
- Journal Title
  
  経営財務研究
  
  Volume: ３５
- NAID
  40020892441
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H03375
[Journal Article] 「選択と集中」の経営の課題2015
- Author(s)
  井上光太郎、池田直史
- Journal Title
  
  証券アナリストジャーナル
  
  Volume: 53 Pages: 6-16
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] 投資家の異質的期待と曖昧性プレミアム2023
- Author(s)
  池田直史
- Organizer
  日本経営財務研究学会第47回全国大会
- Data Source
  KAKENHI-PROJECT-22K01581
[Presentation] How COVID-19 affects corporate investment plans in the US and Japan: The cost of managerial overconfidence2021
- Author(s)
  池田直史・井上光太郎・山﨑尚志
- Organizer
  2021年度日本ファイナンス学会第29回大会
- Data Source
  KAKENHI-PROJECT-19K01731
[Presentation] 企業間の類似性とM&A：テキスト分析アプローチ2018
- Author(s)
  小室幸人, 池田直史, 井上光太郎
- Organizer
  日本経営財務研究学会大会
- Data Source
  KAKENHI-PROJECT-18K18566
[Presentation] 有価証券報告書のテキストマイニングによる株式のリスクファクター分析2018
- Author(s)
  佐藤隆清, 池田直史, 井上光太郎
- Organizer
  International Workshop: Digital Innovation in Finance
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18566
[Presentation] Enjoying the quiet life: Corporate decision-making by the entrenched managers2018
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Sho Watanabe
- Organizer
  Japan Economic Seminar, Columbia University
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] 企業間の類似性とM&A：テキスト分析アプローチ2018
- Author(s)
  小室幸人, 池田直史, 井上光太郎
- Organizer
  International Workshop: Digital Innovation in Finance
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18566
[Presentation] 有価証券報告書のテキストマイニングによる株式のリスクファクター分析2018
- Author(s)
  佐藤隆清, 池田直史, 井上光太郎
- Organizer
  日本経営財務研究学会大会
- Data Source
  KAKENHI-PROJECT-18K18566
[Presentation] The effects of corporate governance codes on firm valuation2017
- Author(s)
  Michele Catano, Naoshi Ikeda, Kotaro Inoue
- Organizer
  日本経営財務研究学会東日本部会
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Information access and corporate acquisitions2017
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Takato Mitsuya
- Organizer
  日本ファイナンス学会大会
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Information Access and Corporate Acquisitions2017
- Author(s)
  Mitsuya Takato, Naoshi Ikeda, and Kotaro Inoue
- Organizer
  World Finance & Banking Symposium (Bangkok, Thailand)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K13760
[Presentation] 経営幹部のリスク回避度と報酬体系が企業行動に与える影響2017
- Author(s)
  池田直史、井上光太郎、山崎尚志
- Organizer
  日本経営財務研究学会大会
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] 経営幹部のリスク回避度と報酬体系が企業行動に与える影響2017
- Author(s)
  池田直史・井上光太郎・山﨑尚志
- Organizer
  日本経営財務研究学会
- Data Source
  KAKENHI-PROJECT-17K13760
[Presentation] Information access and corporate acquisitions2017
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Takato Mitsuya
- Organizer
  World Finance & Banking Symposium 2017, Bangkok
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Managerial Attitudes and Corporate Investment Behaviors2016
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Koji Sugitani
- Organizer
  日本ファイナンス学会第24回大会
- Place of Presentation
  横浜国立大学
- Year and Date
  2016-06-21
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Managerial Attitudes and Corporate Investment Behaviors2016
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Koji Sugitani
- Organizer
  World Finance and Banking Symposium 2016
- Place of Presentation
  Dubai, UAE
- Year and Date
  2016-06-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Enjoying Quiet Life Under The Umbrella of Cross Shareholding2016
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Sho Watanabe
- Organizer
  26th NBER-TCER-CEPR Conference on Corporate Governance
- Place of Presentation
  東京
- Year and Date
  2016-12-08
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] The Effects of Corporate Governance Codes on Board Composition and Firm Value2016
- Author(s)
  Michele Catano, Naoshi Ikeda, Kotaro Inoue
- Organizer
  World Finance and Banking Symposium 2016
- Place of Presentation
  Dubai, UAE
- Year and Date
  2016-06-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Enjoying Quiet Life Under The Umbrella of Cross Shareholding2016
- Author(s)
  Naoshi Ikeda, Kotaro Inoue, Sho Watanabe
- Organizer
  日本ファイナンス学会第24回大会
- Place of Presentation
  横浜国立大学
- Year and Date
  2016-06-21
- Data Source
  KAKENHI-PROJECT-15H03375
[Presentation] Optimistic Investors and Aftermarket Performance of Initial Public Offerings2015
- Author(s)
  池田直史
- Organizer
  2015年度日本ファイナンス学会第23回大会
- Place of Presentation
  東京大学
- Year and Date
  2015-06-06
- Data Source
  KAKENHI-PROJECT-15K17088

1. Inoue Kotaro (90381904)

# of Collaborated Projects: 3 results

# of Collaborated Products: 25 results
2. 齋藤卓爾 (60454469)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 蟻川靖浩 (90308156)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 中田和秀 (00312984)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Ikeda Naoshi 池田 直史

Research Projects

Research Products

Co-Researchers

企業の開示情報が投資家の期待形成に与える影響：新規株式公開に着目してPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

投資家の期待形成とその期待が金融市場に与える影響Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investor heterogeneous beliefs and asset pricingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Analysis of the value of textual information in annual reports through natural language processing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Managerial heterogeneity and corporate behaviorPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Formation of stock prices under heterogeneous beliefs: Focusing on long-run performance of IPOsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Corporate Governance, Firm Behavior, and Firm Performance: International Comparison

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Optimism, divergence of investors’ opinions, and the long-run underperformance of IPOs2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 企業間の類似性とM&A：テキスト分析アプローチ2022

Author(s)

Journal Title

Data Source

[Journal Article] 企業間の類似性とM&A：テキスト分析アプローチ2021

Author(s)

Journal Title

Data Source

[Journal Article] Managerial optimism and corporate investment behavior2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 有価証券報告書のテキストマイニングによる株式のリスクファクター分析2021

Author(s)

Journal Title

NAID

Data Source

[Journal Article] 労働者保護とM&Aのパフォーマンス：国際比較分析2019

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Risk aversion, compensation scheme, and corporate investment: Evidence form the field2019

Author(s)

Journal Title

Data Source

[Journal Article] Optimism, Divergence of Opinion, and the Long-Run Performance of IPOs2019

Author(s)

Ikeda Naoshi 池田直史