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Last Updated :2024/10/13

Takumi Kongo

Department of Economics/Department of Industrial Economics
Professor

Researcher information

■ Degree
  • 学士(経済学), 早稲田大学
  • 修士(経済学), 早稲田大学
  • 博士(経済学), 早稲田大学
  • Ph.D (Economics), Waseda University
■ Research Keyword
  • Scientometrics
  • Auction Theory
  • Matching Theory
  • Game Theory
■ Field Of Study
  • Humanities & social sciences, Theoretical economics, Theoritical Economics

Career

■ Educational Background
  • Apr. 2007 - Jan. 2011
    Waseda University, Graduate School, Division of Economics, 理論経済学・経済史

Research activity information

■ Paper
  • Equal support from others for unproductive players: efficient and linear values that satisfy the equal treatment and weak null player out properties for cooperative games
    Takumi Kongo
    Annals of Operations Research, 25 May 2024, Refereed
  • Correction to: Redistribution to the less productive: parallel characterizations of the egalitarian Shapley and consensus values (Theory and Decision, (2021), 91, 1, (81-98), 10.1007/s11238-020-09781-1)
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Theory and Decision, 01 Jul. 2021
  • Redistribution to the less productive: parallel characterizations of the egalitarian Shapley and consensus values
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Theory and Decision, Jul. 2021, Refereed
  • Similarities in axiomatizations: equal surplus division value and first-price auctions
    Review of Economic Design, 01 Jun. 2020, Refereed
  • Correction to: Relationally equal treatment of equals and affine combinations of values for TU games (Social Choice and Welfare, (2019), 53, 2, (197-212), 10.1007/s00355-019-01180-y)
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Social Choice and Welfare, 01 Oct. 2019
  • Players' nullification and the weighted (surplus) division values
    Takumi Kongo
    Economics Letters, Oct. 2019, Refereed
  • Relationally equal treatment of equals and affine combinations of values for TU games
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Social Choice and Welfare, Jul. 2019, Refereed
  • Balanced contributions based on indirect claims and the Shapley value
    Takumi Kongo
    Economics Letters, 01 Jun. 2018, Refereed
  • Effects of Players’ Nullification and Equal (Surplus) Division Values
    Takumi Kongo
    International Game Theory Review, 01 Mar. 2018, Refereed
  • The balanced contributions property for equal contributors
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Games and Economic Behavior, 01 Mar. 2018, Refereed
  • The balanced contributions property for symmetric players
    Koji Yokote; Takumi Kongo
    OPERATIONS RESEARCH LETTERS, May 2017, Refereed
  • Axiomatization of the away goals rule in football
    Takumi Kongo
    Fukuoka University Review of Economics, Mar. 2017
  • Marginal games and characterizations of the shapley value in TU games
    Takumi Kongo; Yukihiko Funaki
    Communications in Computer and Information Science, 2017, Refereed
  • Further axiomatizations of Egghe's g-index
    Tsuyoshi Adachi; Takumi Kongo
    Journal of Informetrics, 08 Sep. 2015, Refereed
  • Properties based on relative contributions for cooperative games with transferable utilities
    Yoshio Kamijo; Takumi Kongo
    THEORY AND DECISION, Jan. 2015, Refereed
  • An alternative axiomatization of the Hirsch index
    Takumi Kongo
    JOURNAL OF INFORMETRICS, Jan. 2014, Refereed
  • On non-bossy matching rules in two-sided matching problems
    Takumi Kongo
    INTERNATIONAL JOURNAL OF ECONOMIC THEORY, Dec. 2013, Refereed
  • First-Price Auctions on General Preference Domains: Axiomatic Characterizations
    Tsuyoshi Adachi; Takumi Kongo
    Economic Theory Bulletin, May 2013, Refereed
  • An incompatibility between recursive unanimity and strategy-proofness in two-sided matching problems
    Takumi Kongo
    SOCIAL CHOICE AND WELFARE, Feb. 2013, Refereed
  • Whose deletion does not affect your payoff? The difference between the Shapley value, the egalitarian value, the solidarity value, and the Banzhaf value
    Yoshio Kamijo; Takumi Kongo
    European Journal of Operational Research, Feb. 2012, Refereed
  • Value of games with two-layered hypergraphs
    Takumi Kongo
    MATHEMATICAL SOCIAL SCIENCES, Sep. 2011, Refereed
  • Non-cooperative and axiomatic characterizations of the average lexicographic value
    Takumi Kongo; Yukihiko Funaki; Rodica Branzei; Stef Tijs
    International Game Theory Review, Dec. 2010, Refereed
  • Axiomatization of the Shapley Value Using the Balanced Cycle Contributions Property
    Yoshio Kamijo; Takumi Kongo
    International Journal of Game Theory, Oct. 2010, Refereed
  • Difference between the position value and the Myerson value is due to the existence of coalition structures
    Takumi Kongo
    International Journal of Game Theory, Oct. 2010, Refereed
■ Lectures, oral presentations, etc.
  • A family of values that satisfies efficiency and two fairness requirements assuming three players
    Takumi Kongo
    Waseda Game Theory and Experimental Economics Workshop, 26 Jan. 2024
  • Efficient and fair solutions in cooperative games
    Takumi Kongo
    14th meeting on Japan Association of Political Economy, 03 Mar. 2023
  • Efficient and fair solutions in cooperative games
    Takumi Kongo
    International Conference on Distributive Justice and Fair Allocation, 25 Feb. 2023
  • Equal support from others for unproductive players: efficient and linear values that satisfy the equal treatment and weak null player out properties for cooperative games
    Takumi Kongo
    The Summer Workshop on Game Theory and Experimental Economics 2022
  • Efficient and linear values that satisfy the equal treatment and weak null player out properties for cooperative games
    Takumi Kongo
    2022 Asian Meeting of the Econometric Society in East and South-East Asia
  • Efficient and linear values that satisfy the equal treatment and weak null player out properties for cooperative games
    Takumi Kongo
    The European Meeting on Game Theory (SING17), 13 Jul. 2022, the University of Padova
  • Efficient and fair solutions in cooperative games
    Takumi Kongo
    Microeconomics Workshop, 10 Jun. 2022, Keio University
  • Efficient and fair solutions in cooperative games
    Takumi Kongo
    The European (formerly Spain-Italy-Netherlands) Meeting on Game Theory (SING16), 01 Jul. 2021
  • Similarities in axiomatizations: equal surplus division value and first-price auctions
    Takumi Kongo
    The 20th Annual SAET Conference, Seoul, Korea, 15 Jun. 2021
  • A balanced contributions approach to a partially privatized firm in a mixed duopoly
    Takumi Kongo
    The Lisbon Meetings in Game Theory and Applications #11, 08 Nov. 2019, Instituto Superior de Economia e Gestao da Universidade de Lisboa
  • A balanced contributions approach to a partially privatized firm in a mixed duopoly
    Takumi Kongo; Masayuki Saito
    Summer Workshop on Game Theory 2019 Sendai, 27 Aug. 2019
  • Differential symmetry, symmetry, and differential merginality for TU games
    Takumi Kongo
    UECE Lisbon Meetings in Game Theory and Applications, 25 Oct. 2018
  • Relationally equal treatment of equals characterizes combinations of values for cooperative games
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    Summer Workshop 2018 Fukuoka, 29 Aug. 2018
  • Balanced contributions based on indirect claims and the Shapley value
    Takumi Kongo
    Waseda Game Theory and Experimental Economics Workshop, 20 Jan. 2018
  • Balanced contributions and null player out for the Shapley, equal surplus division, and equal division values
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    The UECE Lisbon Meetings in Game Theory and Applications, Nov. 2017
  • An impossibility for strategy-proof and majority matching rules
    Tsuyoshi Adachi; Takumi Kongo
    Waseda Game Theory and Experimental Economics Workshop, 28 Jan. 2017
  • The balanced contributions property for equal contributors
    Koji Yokote; Takumi Kongo; Yukihiko Funaki
    UECE Lisbon Meetings in Game Theory and Applications 2016, 04 Nov. 2016, Technical University of Lisbon
  • Marginalism and egalitarianism under the equal effect of players’ nullification on the others
    European Meeting on Game Theory (SING 12), 13 Jul. 2016, University of Southern Denmark
  • Further axiomatizations of Egghe’s g-index
    Tsuyoshi Adachi; Takumi Kongo
    East Asian Game Theory Conference 2015, 24 Aug. 2015
  • Further axiomatizations of Egghe’s g-index
    Tsuyoshi Adachi; Takumi Kongo
    Joint Conference on Logic, Game Theory, and Social Choice 8 and The 8th Pan-Pacific Conference on Game Theory, 19 May 2015
  • An alternative axiomatization of the Hirsch index
    The Second International Workshop on Market Design Technologies for Sustainable Development, 18 Aug. 2014
  • Another axiomatization of the Hirsch index
    Takumi Kongo
    UECE Lisbon Meetings Game Theory and Applications, 08 Nov. 2013
  • Another axiomatization of the Hirsch index
    Takumi Kongo
    日本経済学会2013年度秋季大会, 15 Sep. 2013
  • On nonbossy matching rules in two-sided matching problems
    Takumi Kongo
    日本応用経済学会春季大会, 09 Jun. 2012
  • An Incompatibility between Recursive Unanimity and Strategy-proofness in Two-sided Matching Problems
    Takumi Kongo
    2011 SNU-Waseda Graduate Economics Workshop, 04 Nov. 2011
  • Recursive Unanimity, Strategy-proofness, and Non-bossiness in Two-sided Matching Problems
    Takumi Kongo
    The 7th Spain-Italy-Netherlands Meeting on Game Theory, 20 Jul. 2011
  • Whose deletion does not affect your payoff? the difference between the Shapley value, the egalitarian value, the solidarity value, and the Banzhaf value?
    Yoshio Kamijo; Takumi Kongo
    Logic, Game Theory, and Social Choice 7, 07 Jul. 2011
  • Recursive Unanimity, Strategy-proofness, and Non-bossiness in Two-sided Matching Problems
    Takumi Kongo
    The Inaugural Conference of the Chinese Game Theory and Experimental Economics, 24 Aug. 2010
  • A Non-cooperative and an Axiomatic Characterization of the AL-value
    Takumi Kongo; Yukihiko Funaki; Rodica Branzei; Stef Tijs
    The 6th Spain, Italy, Netherlands Meeting on Game Theory, 07 Jul. 2010
  • Possibility of Individually Rational, Efficient, and Non-bossy Matching Rules
    Takumi Kongo
    GLOPEII International Young Scholar's Conference, 06 Dec. 2009
  • Axiomatizations of the Values of TU games Using the Balanced Cycle Contributions Property
    Yoshio kamijo; Takumi Kongo
    Logic, Game Theory, and Social Choice 6, 29 Aug. 2009
  • Allocation Rules and Bargainings in Networks with Asymmetries
    Yoshio Kamijo; Takumi Kongo
    Waseda Game Theory Workshop, 23 Aug. 2009
  • Possibility of Individually Rational, Efficient, and Non-bossy Matching Rules
    Takumi Kongo
    The Sixth Asian General Equilibrium Theory Workshop, 01 Aug. 2009
  • Population Normalized Balanced Contributions Property and the Per-capita Shapley Value
    Takumi Kongo
    23rd European Conference on Operations Research, 07 Jul. 2009
  • Difference Between the Position Value and the Myerson Value is Due to the Existence of Coalition Structures
    Takumi Kongo
    The 5th Spain, Italy, Netherlands Meeting on Game Theory, 02 Jul. 2009
  • Axiomatizations of the Values of TU Games Using the Balanced Cycle Contributions Property
    Yohio Kamijo; Takumi Kongo
    日本経済学会2009年度春季大会, 06 Jun. 2009
  • Population Normalized Balanced Contributions Property and the Per-capita Shapley Value
    Takumi Kongo
    Game Theory Workshop, 29 Jan. 2009
  • Strategy-proof Mechanisms and Uniqueness of Matching in Marriage Markets
    Takumi Kongo; Taisuke Matsubae
    Games 2008 Third World Congress of the Game Theory Society, 15 Jul. 2008
  • Strategy-proof Mechanisms and Uniqueness of Matching in Marriage Markets
    Takumi Kongo; Taisuke Matsubae
    日本経済学会2008年度春季大会, 31 May 2008
  • Strategy-proof Mechanisms and Uniqueness of Matching in Marriage Markets
    Takumi Kongo; taisuke Matsubae
    GLOPE-TCER Joint Junior Workshop, 09 Feb. 2008
  • Cooperative Games with Two-level Networks
    Takumi Kongo
    The 3rd Spain Italy Netherlands Meeting on Game Theory, 06 Jul. 2007
  • Cooperative Games with Two-level Networks
    Takumi Kongo
    21COE-GLOPE International Conference in Amsterdam, 31 Oct. 2006
■ Research Themes
  • 協力・非協力ハイブリッドモデルによる提携形成と利得分配の新しい分析
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B)
    Waseda University
    01 Apr. 2022 - 31 Mar. 2027
  • 公平な順位決定ルールと利益分配ルール
    01 Apr. 2019 - 31 Mar. 2024
  • 協力ゲームにおける提携形成と利得分配の実験と新しい理論構築
    基盤研究(B)
    01 Apr. 2017 - 31 Mar. 2022
  • 公平性を中心とした集団的意思決定における配分・評価の理論分析
    若手研究(B)
    01 Apr. 2015 - 31 Mar. 2019
  • 最小費用木問題における効率的かつ公平(衡平)な費用分担ルール設計
    若手研究(B)
    01 Apr. 2012 - 31 Mar. 2015
  • 開かつ匿名な環境における共同成果配分問題の提携型ゲーム理論による分析
    研究活動スタート支援
    01 Apr. 2010 - 31 Mar. 2012
  • 主体間の意思疎通構造が財の配分に及ぼす影響に関する理論的分析
    特別研究員奨励費
    01 Apr. 2008 - 31 Mar. 2010
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