UI Takashi 宇井貴志

Researcher Number	60312815
Other IDs
Affiliation (Current)	2022: 一橋大学, 大学院経済学研究科, 教授
Affiliation (based on the past Project Information) *help	2012 – 2022: 一橋大学, 大学院経済学研究科, 教授 2015: 一橋大学, 経済学研究科(研究院), 教授 2014: 一橋大学, 大学院経済学研究科(研究院), 教授 2009 – 2010: Yokohama National University, 経済学部, 教授 2008: Yokohama National University, 経済学部, 教授 … More 2005 – 2006: 横浜国立大学, 経済学部, 教授 2004: 国立大学法人横浜国立大学, 経済学部, 助教授 2002 – 2003: 横浜国立大学, 経済学部, 助教授 2000 – 2001: 筑波大学, 社会工学系, 講師 Less
Review Section/Research Field	Principal Investigator Economic theory / 経済理論 Except Principal Investigator Economic theory / Medium-sized Section 7:Economics, business administration, and related fields / Broad Section A
Keywords	Principal Investigator ナイト的不確実性 / ゲーム理論 / multiple priors / no trade / 不完備情報ゲーム / ベイジアンゲーム / 情報構造 / monetary policy / informational asymmetry / Knightian uncertainty … More / Choquet integral / rational expectations / ゲーム / ポテンシャル / 均衡選択 / 情報頑健 / 非完備情報 / 均衡の精緻化 / 均衡の頑健性 / ポテンシャル関数 / 私的情報 / 経済実験 / グローバル・ゲーム / 投機的取引 / 金融危機 / 通貨危機 / 信用危機 / グローバルゲーム / 不確実性 / 金融資産価格 / リスク・プレミアム / 意思決定理論 / incomplete information / 非協力ゲーム / 非完備情報ゲーム / Choquet積分 / maxmin期待効用理論 / ポテンシャルゲーム / チーム / potential games / team decision problems / incomplete information games / ショケ積分 / 非期待効用 / 合理的期待 / 相関均衡 / Dempster-Shaferルール / 最尤法ルール / Phelps-Lucas仮説 / 金融政策 / 公的情報 / LQGゲーム / 情報設計 / 経済理論 … More Except Principal Investigator ゲーム理論 / マクロ経済学 / 中央銀行 / 金融政策 / 透明性 / 信認 / 関心 / ミクロ経済理論 / 協力メカニズム / 交渉理論 / 繰り返しゲーム / 関心と信認 / コミュニケーション Less

Designing central bank communication systems
- Principal Investigator
  
  渡辺努
- Project Period (FY)
  2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 7:Economics, business administration, and related fields
- Research Institution
  The University of Tokyo
Central Bank Communication Design
- Principal Investigator
  
  渡辺努
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section A
- Research Institution
  The University of Tokyo
Social Value of Information and Endogenous Information StructuresPrincipal Investigator
- Principal Investigator
  
  Ui Takashi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Economic theory
- Research Institution
  Hitotsubashi University
ゲーム理論の新展開：協力メカニズムの解明
- Principal Investigator
  
  岡田章
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Economic theory
- Research Institution
  Kyoto University
  Hitotsubashi University
Self-Control Games: Theory and ApplicationsPrincipal Investigator
- Principal Investigator
  
  UI Takashi
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Economic theory
- Research Institution
  Hitotsubashi University
Decision making and financial markets under risk and ambiguityPrincipal Investigator
- Principal Investigator
  
  UI Takashi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Economic theory
- Research Institution
  Yokohama National University
A Game Theoretic Approach to Monetary PolicyPrincipal Investigator
- Principal Investigator
  
  UI Takashi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Economic theory
- Research Institution
  Yokohama National University
A New Approach to Incomplete Information GamesPrincipal Investigator
- Principal Investigator
  
  UI Takashi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  経済理論
- Research Institution
  YOKOHAMA NATIONAL UNIVERSITY
ポテンシャル関数を用いたゲームの均衡選択理論に関する研究Principal Investigator
- Principal Investigator
  
  宇井貴志
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  経済理論
- Research Institution
  University of Tsukuba

[Book] 現代経済学の潮流２０１８「情報設計問題とLQGゲーム」2018
- Author(s)
  宇井貴志
- Total Pages
  276
- Publisher
  東洋経済新報社
- ISBN
  4492315098
- Data Source
  KAKENHI-PROJECT-18H05217
[Journal Article] Strategic Ambiguity in Global Games2021
- Author(s)
  Ui Takashi
- Journal Title
  
  Working Papers on Central Bank Communication
  
  Volume: 32 Pages: 1-34
- Open Access
- Data Source
  KAKENHI-PROJECT-18H05217
[Journal Article] Incomplete Information Robustness2020
- Author(s)
  Stephen Morris, Takashi Ui
- Journal Title
  
  Working Papers on Central Bank Communication
  
  Volume: No. 019
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05217
[Journal Article] The Lucas imperfect information model with imperfect common knowledge2020
- Author(s)
  Takashi Ui
- Journal Title
  
  The Japanese Economic Review
  
  Volume: 71 Issue: 1 Pages: 85-100
- DOI
  10.1007/s42973-019-00003-0
- NAID
  210000182797
- ISSN
  1352-4739, 1468-5876
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H05217
[Journal Article] LQG Information Design2020
- Author(s)
  Takashi Ui
- Journal Title
  
  Working Papers on Central Bank Communication
  
  Volume: No.018
- Open Access
- Data Source
  KAKENHI-PROJECT-18H05217
[Journal Article] 情報設計問題とLQG ゲーム2018
- Author(s)
  宇井貴志
- Journal Title
  
  現代経済学の潮流2018（大橋弘・照山博司・原千秋・細野薫編，東洋経済新報社）所収
  
  Volume: －
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K03348
[Journal Article] Bayesian Nash Equilibrium and Variational Inequalities2016
- Author(s)
  Takashi Ui
- Journal Title
  
  Journal of Mathematical Economics
  
  Volume: 63 Pages: 139-146
- DOI
  10.1016/j.jmateco.2016.02.004
- NAID
  120006927605
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K03348, KAKENHI-PROJECT-26245024
[Journal Article] Characterizing social value of information2015
- Author(s)
  Takashi Ui and Yasonori Yoshizawa
- Journal Title
  
  Journal of Economic Theory
  
  Volume: forthcoming Pages: 507-535
- DOI
  10.1016/j.jet.2014.12.007
- NAID
  120006534700
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24530193, KAKENHI-PROJECT-15K03348
[Journal Article] The Social Value of Public Information with Convex Costs of Information Acquisition2014
- Author(s)
  Takashi Ui
- Journal Title
  
  Economics Letters
  
  Volume: 125 Pages: 249-252
- DOI
  10.1016/j.econlet.2014.09.015
- NAID
  120006928032
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24530193, KAKENHI-PROJECT-26245024
[Journal Article] Stochastic Endogenous Time Preference2014
- Author(s)
  Youichiro Higashi, Kazuya Hyogo, and Norio Takeoka
- Journal Title
  
  Journal of Mathematical Economics
  
  Volume: 51 Pages: 77-92
- DOI
  10.1016/j.jmateco.2014.01.011
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24530193, KAKENHI-PROJECT-25380230
[Journal Article] The Ambiguity Premium vs. the Risk Premium under Limited Market Participation2011
- Author(s)
  Ui, T.
- Journal Title
  
  Review of Finance 15
  
  Pages: 245-275
- NAID
  120003101830
- Data Source
  KAKENHI-PROJECT-20530150
[Journal Article] The ambiguity premium vs. the risk premium under limited market participation2010
- Author(s)
  Ui, T.
- Journal Title
  
  Review of Finance (印刷中)
- NAID
  120003101830
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20530150
[Journal Article] Interim Efficient Allocations under Uncertainty2009
- Author(s)
  Kajii, A., Ui, T.
- Journal Title
  
  Journal of Economic Theory 144
  
  Pages: 337-353
- NAID
  120001001504
- Data Source
  KAKENHI-PROJECT-20530150
[Journal Article] Cominimum Additive Operators2007
- Author(s)
  Hiroyuki Kojima, Atsushi Kajii, Takashi Ui
- Journal Title
  
  Journal of Mathematical Economics 43
  
  Pages: 218-230
- NAID
  120000922589
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16530114
[Journal Article] Equivalence of the Dempster-Shafer Role and the Maximum Likelihood Rule Implies Convexity2005
- Author(s)
  Atsushi Kajii, Takashi Ui
- Journal Title
  
  Economics Bulletin 4・10
  
  Pages: 1-6
- Data Source
  KAKENHI-PROJECT-16530114
[Journal Article] Equivalence of the Dempster-Shafer Rule and the Maximum Likelihood Rule Implies Convexity2005
- Author(s)
  Atsushi Kajii, Takashi Ui
- Journal Title
  
  Economics Bulletin 4-10
  
  Pages: 1-6
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16530114
[Journal Article] Correlated Equilibrium and Concave Games
- Author(s)
  Takashi Ui
- Journal Title
  
  International Journal of Game Theory forthcoming
- NAID
  120000922592
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16530114
[Journal Article] Correlated Equilibrium and Concave Games
- Author(s)
  Takashi Ui
- Journal Title
  
  International Journal of Game Theory (to appear)
- NAID
  120000922592
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16530114
[Presentation] Incomplete Information Robustness2020
- Author(s)
  Morris Stephen, Ui Takashi
- Organizer
  The Econoemtric Society / Bocconi University World Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05217
[Presentation] Japanese Long-Term Interest Rate Forecast Considering the Connection between the Japanese and US Yield Curve2019
- Author(s)
  Yoshiyuki Suimon, Hiroki Sakaji, Kiyoshi Izumi, Takashi Shimada, Hiroyasu Matsushima
- Organizer
  2019 IEEE Conference on Computational Intelligence for Financial Engineering and Economics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H05217
[Presentation] Robust Voting under Uncertainty2017
- Author(s)
  Takashi Ui
- Organizer
  Risk, Uncertainty and Decision Conference 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] 情報設計問題とLQG ゲーム2017
- Author(s)
  宇井貴志
- Organizer
  日本経済学会 2017 年度秋季大会
- Invited
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] 情報設計問題とLQG ゲーム2017
- Author(s)
  宇井貴志
- Organizer
  日本経済学会 2017 年度秋季大会
- Invited
- Data Source
  KAKENHI-PROJECT-15K03348
[Presentation] Robust Voting under Uncertainty2017
- Author(s)
  Takashi Ui
- Organizer
  Risk, Uncertainty and Decision Conference 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K03348
[Presentation] Robust Voting under Uncertainty2017
- Author(s)
  Takashi Ui
- Organizer
  The 70th European Meeting of the Econometric Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K03348
[Presentation] Robust Voting under Uncertainty2017
- Author(s)
  Takashi Ui
- Organizer
  The 70th European Meeting of the Econometric Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] Robust Voting under Uncertainty2017
- Author(s)
  Takashi Ui
- Organizer
  Workshop on Decision Making and Contest Theory
- Place of Presentation
  Ein Gedi (Israel)
- Year and Date
  2017-01-25
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] Ambiguity and Risk in Global Games2016
- Author(s)
  Takashi Ui
- Organizer
  Games 2016
- Place of Presentation
  University of Maastricht
- Year and Date
  2016-07-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] Ambiguity and Risk in Global Games2016
- Author(s)
  Takashi Ui
- Organizer
  Games 2016
- Place of Presentation
  Maastricht (Netherlands)
- Year and Date
  2016-07-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K03348
[Presentation] Optimal Disclosure of Public Information with Endogenous Acquisition of Private Information2015
- Author(s)
  Takashi Ui
- Organizer
  11th World Congress of the Econometric Society
- Place of Presentation
  モントリオール（カナダ）
- Year and Date
  2015-08-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K03348
[Presentation] Welfare Effects of Information Acquisition Costs2014
- Author(s)
  Takashi Ui
- Organizer
  EEA-ESEM
- Place of Presentation
  Toulouse School of Economics, Toulouse (フランス)
- Year and Date
  2014-08-25
- Data Source
  KAKENHI-PROJECT-26245024
[Presentation] ベイジアンゲームにおける内生的情報構造と情報の社会的価値2014
- Author(s)
  宇井貴志
- Organizer
  第20回DCコンファレンス
- Place of Presentation
  福岡大学
- Year and Date
  2014-10-13
- Invited
- Data Source
  KAKENHI-PROJECT-24530193
[Presentation] Welfare Effects of Information Acquisition Costs2014
- Author(s)
  宇井貴志
- Organizer
  EEA-ESEM 2014
- Place of Presentation
  University Toulouse 1 Capitole (フランス）
- Year and Date
  2014-08-25
- Data Source
  KAKENHI-PROJECT-24530193
[Presentation] Global games and ambiguous information : an experimental study2011
- Author(s)
  Ui, T.
- Organizer
  6th Pan Pacific Conference on Game Theory
- Place of Presentation
  東京工業大学
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Global games and ambiguous information : an experimental study2011
- Author(s)
  宇井貴志
- Organizer
  6^th Pan Pack Conference on Game Theory
- Place of Presentation
  東京工業大学
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Ambiguity and risk in global games2010
- Author(s)
  Ui, T.
- Organizer
  CRETA-Marie Curie Conference in Honour of Peter Hammond
- Place of Presentation
  Universoty of Warwick
- Year and Date
  2010-03-23
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Ambiguity and risk in global games2010
- Author(s)
  Ui, T.
- Organizer
  CRETA-Marie Curie Conference in Honour of Peter Hammond
- Place of Presentation
  Univ. of Warwick
- Year and Date
  2010-03-23
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Ambiguity and risk in credit crises2010
- Author(s)
  Ui, T.
- Organizer
  JFFoS
- Place of Presentation
  ENSMA
- Year and Date
  2010-01-24
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Ambiguity and risk in global games2009
- Author(s)
  Ui, T.
- Organizer
  UECE Lisbon Meetings
- Place of Presentation
  UECE
- Year and Date
  2009-11-06
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] The Ambiguity Premium and Risk Premium under Limited Market Participation2008
- Author(s)
  Ui, T.
- Organizer
  南山横国ファイナンス・ワークショップ
- Place of Presentation
  南山大学
- Year and Date
  2008-11-30
- Data Source
  KAKENHI-PROJECT-20530150
[Presentation] Self-control games
- Author(s)
  宇井貴志
- Organizer
  Games 2012
- Place of Presentation
  Istanbul（トルコ）
- Data Source
  KAKENHI-PROJECT-24530193

1. 梶井厚志 (80282325)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. 渡辺努 (90313444)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 青木浩介 (30263362)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 上田晃三 (30708558)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. 水野貴之 (50467057)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. TAKEOKA Norio (80434695)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 岡田章 (90152298)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 関口格 (20314461)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 蓼沼宏一 (50227112)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 今井晴雄 (10144396)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. HIGASHI Youichirou

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

UI Takashi 宇井 貴志

Research Projects

Research Products

Co-Researchers

Designing central bank communication systems

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Central Bank Communication Design

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Social Value of Information and Endogenous Information StructuresPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ゲーム理論の新展開：協力メカニズムの解明

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Self-Control Games: Theory and ApplicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Decision making and financial markets under risk and ambiguityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A Game Theoretic Approach to Monetary PolicyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A New Approach to Incomplete Information GamesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ポテンシャル関数を用いたゲームの均衡選択理論に関する研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 現代経済学の潮流２０１８「情報設計問題とLQGゲーム」2018

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Journal Article] Strategic Ambiguity in Global Games2021

Author(s)

Journal Title

Data Source

[Journal Article] Incomplete Information Robustness2020

Author(s)

Journal Title

Data Source

[Journal Article] The Lucas imperfect information model with imperfect common knowledge2020

Author(s)

Journal Title

DOI

NAID

ISSN

Data Source

[Journal Article] LQG Information Design2020

UI Takashi 宇井貴志