Formation of social structure and communication : Application to economics

• Project/Area Number: 19730137
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Economic theory
• Research Institution: University of Tsukuba
• Principal Investigator: ISHIKAWA Ryuichiro University of Tsukuba, 大学院システム情報工学研究科, 講師 (80345454)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,600,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥300,000); Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,300,000)
• Keywords: ゲーム理論 / 信念改訂理論 / 経験 / 記憶 / 帰納的学習 / シミュレーション / 非対称情報 / 無投機定理 / 共通認識 / 認識 / 合理的期待 / 情報構造

Research Abstract

本プロジェクトでは、意思決定主体の社会構造の認識とその経済的帰結との関係について分析した。まず、主体の認識能力をその記憶能力として定式化し、シミュレーション分析を行った。次にコミュニケーションの帰結として共通認識に到達した状況を考え、非対称情報下の市場取引問題を考察した。
これらの分析を通じて、有限時間における認識の困難性と効率的学習の手法を提示した。また、市場取引における、自らの効用の認識の重要性を明確にした。

Research Products

• [Journal Article] Learning games (2009)
  • Author(s): Hanaki, N, R. Ishikawa, and E. Akiyama
  • Journal Title: Journal of Economic Dynamics and Control (印刷中)
  • NAID: 120007131467
  • Peer Reviewed
• [Journal Article] Learning games (2008)
  • Author(s): Hanaki, N., R. Ishikawa, and E. Akiyama
  • Journal Title: Journal of Economic Dynamics & Control (forthcoming)
  • NAID: 120007131467
  • Peer Reviewed
• [Journal Article] Rational expectations can preclude trades (2008)
  • Author(s): Matsuhisa, T. and R. Ishikawa
  • Journal Title: Advances in Mathematical Economics Vol.11 Pages: 115-116
  • Peer Reviewed
• [Journal Article] Rational expectations can preclude trades (2008)
  • Author(s): Matsuhisa, T. and R. Ishikawa
  • Journal Title: Advances in Mathematical Economics 11 Pages: 105-116
  • Peer Reviewed
• [Journal Article] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): Akiyama, E., R. Ishikawa, M. Kaneko and J. J. Kline
  • Journal Title: 筑波大学システム情報工学研究科ディスカッションペパー 1190 Pages: 1-29
• [Journal Article] The more kids, the less Mom's divvy : Impact of childbirth on intrahou-sehold resource allocation (2008)
  • Author(s): Fujii, T., and R. Ishikawa
  • Journal Title: Singapore Management University Working paper 20-2008 Pages: 1-44
• [Journal Article] Rational expectations can preclude trades (2008)
  • Author(s): Takashi, Matsuhisa
  • Journal Title: Advances in Mathematical Economics 11 Pages: 105-116
  • Peer Reviewed
• [Presentation] Learning games (2008)
  • Author(s): R. Ishikawa
  • Organizer: Nonlinear Analysis and Optimization
  • Place of Presentation: Kunibiki Messe, Matsue City, Shimane, JAPAN
  • Year and Date: 2008-09-15
• [Presentation] Learning games (2008)
  • Author(s): R. Ishikawa
  • Organizer: Nonlinear Analysis and Optimization
  • Place of Presentation: Kunibiki Messe, Matsue City, Shimane. JAPAN
  • Year and Date: 2008-09-15
• [Presentation] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): R. Ishikawa
  • Organizer: Logic and Economics
  • Place of Presentation: University of Tsukuba, Ibaraki
  • Year and Date: 2008-08-25
• [Presentation] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): R. Ishikawa
  • Organizer: Third World Congress of the Game Theory Society, July 13-17
  • Place of Presentation: Northwestern University, Illinois, USA
  • Year and Date: 2008-07-16
• [Presentation] Learning games (2008)
  • Author(s): R. Ishikawa
  • Organizer: 法政大学経済学研究科セミナー
  • Place of Presentation: 法政大学
  • Year and Date: 2008-06-21
• [Presentation] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): R. Ishikawa
  • Organizer: Third World Congress of the Game Theory Society
  • Place of Presentation: Northwestern University, Illinois, USA
  • Year and Date: 2008-06-16
• [Presentation] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): R. Ishikawa
  • Organizer: 早稲田大学商学部金曜セミナー
  • Place of Presentation: 早稲田大
  • Year and Date: 2008-05-09
• [Presentation] A simulation study of learning : Mike's bike commuting (2008)
  • Author(s): R. Ishikawa
  • Organizer: 京都ゲーム理論ワークショップ2008
  • Place of Presentation: 京都大学
  • Year and Date: 2008-03-06
• [Presentation] A Simulation Study of Learning a Structure: Mike's Bike Commuting (2008)
  • Author(s): 石川竜一郎
  • Organizer: 京都ゲーム理論ワークショップ
  • Place of Presentation: 京都大学(京都府)
  • Year and Date: 2008-03-06
• [Presentation] Learning games (2008)
  • Author(s): R. Ishikawa
  • Organizer: Mathematics, Technology and Education 2008
  • Place of Presentation: Ibaraki National College of Technology, Hitachinaka, Ibaraki
  • Year and Date: 2008-02-16
• [Presentation] Learning games. (2008)
  • Author(s): 石川竜一郎
  • Organizer: Mathematics, Technology and Education 2008
  • Place of Presentation: 茨城高等工業専門学校(茨城県)
  • Year and Date: 2008-02-16
• [Presentation] A simulation study of learning : Mike's bike commuting (2007)
  • Author(s): R. Ishikawa
  • Organizer: 小樽商科大学 経済研究会
  • Place of Presentation: 小樽商科大学
  • Year and Date: 2007-12-14
• [Presentation] A simulation study of learning : Mike's bike commuting (2007)
  • Author(s): R. Ishikawa
  • Organizer: The 2007 Joint Conference in Game Theory and Decentralization
  • Place of Presentation: Taipei, Taiwan
  • Year and Date: 2007-10-21
• [Presentation] SimuIation studies of inductive learning of a structure from Limited experiences. (2007)
  • Author(s): 石川竜一郎
  • Organizer: The 2007 Joint Conference in Game Theory and Decentralization.
  • Place of Presentation: Academia Sinica(台湾)
  • Year and Date: 2007-10-21
• [Presentation] Learning games (2007)
  • Author(s): R. Ishikawa
  • Organizer: Summer Workshop on Economic Theory
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-07-31
• [Presentation] Inductive learning. (2007)
  • Author(s): 石川竜一郎
  • Organizer: Summer workshop on Economic Theory
  • Place of Presentation: 北海道大学(北海道)
  • Year and Date: 2007-07-31
• [Presentation] A simulation study of learning : Mike's bike commuting (2007)
  • Author(s): R. Ishikawa
  • Organizer: 8th SAET Conference on Current Trends in Economics
  • Place of Presentation: Kos, Greece
  • Year and Date: 2007-06-19
• [Presentation] A simulation study of learning bounds in inductive game theory. (2007)
  • Author(s): 石川竜一郎
  • Organizer: The 8th SAET Conference on Current Trends in Economics
  • Place of Presentation: ギリシャ
  • Year and Date: 2007-06-19
• [Book] 「コンピューター実験 : 新しい理論分析への招待」、経済セミナー10 月号 所収、pp. 29-32 (2008)
  • Author(s): 花木伸行・秋山英三・石川竜一郎
  • Publisher: 日本評論者
• [Book] 「ムゲンのつながりと金融危機:ゲーム理論からのレッスン」、社会工学が面白い 所収、pp.15-22 (2008)
  • Author(s): 石川竜一郎
  • Publisher: 開成出版
• [Book] 「コンピューター実験 : 新しい理論分析への招待」、経済セミナー10月号所収 (2008)
  • Author(s): 花木伸行・秋山英三・石川竜一郎
  • Publisher: 日本評論者
• [Book] 「ムゲンのつながりと金融危機 : ゲーム理論からのレッスン」、社会工学が面白い所収 (2008)
  • Author(s): 石川竜一郎
  • Publisher: 開成出版
• [Remarks] Fujii, T. and R. Ishikawa "The more kids, The less Mom's divvy: Impact of childbirth on intrahousehold resource allocation, " SMU Economics & Statistics Working Paper Series, No.20-2008, 2008. ディスカッションペーパー
• [Remarks] Akiyama, E., R. Ishikawa, M. Kaneko, and J.J. Kline "A simulation study of learning : Mike's bike commuting, " Department of Social Systems and Management, DP Series No.1190, Univ. of Tsukuba, 2008. ディスカッションペーパー
• [Remarks] ホームページ
  • URL: http://infoshako.sk.tsukuba.ac.jp/~ishikawa/index.html
• [Remarks]
  • URL: http://infoshako.sk.tsukuba.ac.jp/~ishikawa/research.html
• [Remarks]
  • URL: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1042882/
• [Remarks]
  • URL: http://infoshako.sk.tsukuba.ac.jp/~ishikawa/pdf/dp1190.pdf