Waseda Institute for Advanced Study (WIAS)Waseda University






Ph.D. in Economics


Assistant Professor



Monthly Spotlight

[Monthly Spotlight] is forcusing on a researcher to introduce his/her research.
Game-theoretic analysis towards the solution of a current problem: Daycare center applications aimed for rejection

Research Topic

Game theoretic and mathematical analysis of desirable allocation rules and its application

The purpose of my research is to theoretically analyze “allocation rules”, which describe how to distribute limited resources among agents. They play key roles in real economic problems, e.g., auctions and daycare allocation. Using game theory and discrete mathematics, I investigate which allocation rules are desirable in the target problem. Especially I’m working on (i) analysis of the performance of “market mechanisms” as an allocation rule, and (ii) application of theoretical results to the design of real allocation rules.

略歴 Education and Academic Employment

2019.4 – : Assistant Professor, Institute for Advanced Study, Waseda University
2018.4 – 2019.3: Assistant Professor, School of Political Science and Economics, Waseda University
2018.4 – 2019.3: Part-time lecture, Tokyo Keizai University
2017.11: Ph.D. in Economics, Waseda University
2017.4 – 2018.3: Research Associate, School of Political Science and Economics, Waseda University
2016.6 – 2016.7: Visiting Research Fellow, HHL Leipzig Graduate School of Management
2014.4 – 2017.3: JSPS Research Fellow(DC1)
2014.3: M.A. in Economics, Waseda University
2012.3: B.A. in Politics, Waseda University

Fields of Research Interests

Game Theory, Market Design, Discrete Mathematics

Academic Publications
  1. Relationally equal treatment of equals and affine combinations of values for TU games (with Takumi Kongo and Yukihiko Funaki) , Social Choice and Welfare, DOI: 10.1007/s00355-019-01180-y
  2. The balanced contributions property for equal contributors (with Takumi Kongo and Yukihiko Funaki) , Games and Economic Behavior, 108, 113-124, 2018
  3. Coincidence of the Shapley value with other solutions satisfying covariance (with Yoshio Kamijo and Yukihiko Funaki), Mathematical Social Sciences, 89, 1-9, 2017
  4. Weighted values and the core in NTU games, International Journal of Game Theory, 46(3), 631-654, 2017
  5. Random reduction consistency of the Weber set, the core and the anti-core (with Yasushi Agatsuma and Yukihiko Funaki) , Mathematical Methods of Operations Research, 85(3), 389-405, 2017
  6. Monotonicity implies linearity: characterizations of convex combinations of solutions to cooperative games (with Yukihiko Funaki) , Social Choice and Welfare, 49(1), 171-203, 2017
  7. The balanced contributions property for symmetric players (with Takumi Kongo) , Operations Research Letters, 45(3), 227-231, 2017
  8. Weak differential monotonicity, flat tax, and basic income (with Andre Casajus) , Economics Letters, 151, 100-103, 2017
  9. Weak differential marginality and the Shapley value (with Andre Casajus) , Journal of Economic Theory, 167, 274-284, 2017
  10. Core and competitive equilibria: An approach from discrete convex analysis, Journal of Mathematical Economics, 66, 1-13, 2016
  11. A new basis and the Shapley value (with Yukihiko Funaki and Yoshio Kamijo) , Mathematical Social Sciences, 80, 21-24, 2016
  12. Weak addition invariance and axiomatization of the weighted Shapley value, International Journal of Game Theory, 44(2), 275-293, 2015
Other Interests

Affiliated Academic Organizations

Japanese Economic Association, Japanese Society for Mathematical Economics


Waseda University Azusa Ono Memorial Award (March 2014)
Waseda University Research Award (High-Impact Publication) (December 2018)

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