Research

RESEARCH INTERESTS

• Game Theory

• Microeconomic Theory

• Industrial Organization

• Market Design

My page at Google Scholar Citations

PAPERS IN ENGLISH

PUBLISHED PAPERS

• Oligopolistic Equilibrium and Financial Constraints (with Carmen Bevia and Luis Corchon), RAND Journal of Economics, Vol.51, Issue.1, pp.279-300, 2020. WP version

  • Strategy-proof Matching with Regional Minimum and Maximum Quotas (with Masahiro Goto, Atsushi Iwasaki, Yujiro Kawasaki, Ryoji Kurata, and Makoto Yokoo), Artificial Intelligence, Vol.235, pp.49-57, 2016.

• Expanding "Choice" in School Choice (with with Atila Abdulkadiroglu and Yeon-Koo Che), American Economic Journal: Microeconomics, Vol.7, No.1, pp.1-42, 2015. WP version

• Strategy-Proof Matching with Regional Minimum Quotas (with Masahiro Goto, Naoyuki Hashimoto, Atsushi Iwasaki, Yujiro Kawasaki, and Makoto Yokoo), AAMAS2014 (Full Paper), pp.1225-1232, 2014.

• Instability in the Hotelling's Non-Price Spatial Competition Model, Theoretical Economics Letters, Vol.3, No.3a, pp.7-10, 2013. WP version

• Resolving Conflicting Preferences in School Choice: The "Boston Mechanism" Reconsidered (with Atila Abdulkadiroglu and Yeon-Koo Che) American Economic Review, Vol.101, No.1, pp.399-410, 2011. WP version

• Essays in Theoretical Industrial Organization, Ph.D. Thesis, Princeton University, September, 2007. link

COMMENTS AND BOOK CHAPTERS

• • The Ultimate Objective of the Development Process—Pursuit of Material Wealth versus Societal Well-Being, in The World in 2050: Striving for a more just, prosperous, & harmonious global community, 2016.

  • Comment on "Asian Participation and Performance at the Olympic Games," Asian Economic Policy Review, Vol.11, No.1, pp.93-94, 2016.

WORKING PAPERS

• Moral Hazard and Subjective Evaluation (with Shingo Ishiguro), 2021. New!

  • The Folk Theorem in Repeated Games with Endogenous Termination, (with Takako Fujiwara-Greve), 2018.

• Moral Hazard and Target Budgets (with Shingo Ishiguro), 2018.

  • Competitive Market Achieves the Greatest Happiness of the Minimum Number, 2016.

• Reformulation of Nash Equilibrium with An Application to Interchangeability, 2015.

• Exit Option Can Make Cooperation Easier (with Takako Fujiwara-Greve), 2015.

  • Improving Fairness and Efficiency in Matching with Distributional Constraints: An Alternative Solution for the Japanese Medical Residency Match (with Masahiro Goto, Atsushi Iwasaki, Yujiro Kawasaki and Makoto Yokoo), 2014.

• Collusion under Payoff Fluctuations (with Takako Fujiwara-Greve), 2012.

  • Old version: When is Volatility Good for Cooperation, 2011.

  • Old version: Cooperation in Repeated Prisoner's Dilemma with Perturbed Payoffs, 2009.

• Repeated Cooperation with Outside Options (with Takako Fujiwara-Greve), 2011.

  • Old version: Cooperation in Repeated Prisoner's Dilemma with Outside Options, 2008.

• Understanding Stable Matchings: A Non-Cooperative Approach, (with Michihiro Kandori and Fuhito Kojima), 2008. Preliminary draft available on request

• The 40% Handicap Auction, 2008.

• The Theory of Collusion under Financial Constraints, 2007.

WORK IN PROGRESS

• "Equal" Market Design II: Stability vs. Equality in Two-Sided Matching Market

• Unique Stable Matching in Assignment Games with Fixed Bargaining Power

• Economics of the Rich and the Poor

• Folk Theorem for Endogenously Repeated Games with Outside Options, with Takako Fujiwara-Greve

• Inspecting Cartels, with Takako Fujiwara-Greve

• An Experimental Study of The "Tokyo" Public School Choice, with Toshiji Kawagoe, Yusuke Narita and Kentaro Tomoeda

• A Comment on Dana-Spier (1994JPubE)

• Rationing by Rational Choice

• Tiers, Preference Similarity, and the Limits on Stable Partners, with Michihiro Kandori and Fuhito Kojima

• Strategy-Proofness and Complete Information Games, with Michihiro Kandori and Fuhito Kojima

• Collusion and R&D, with Kohei Kawamura

• Managerial Incentives and Product Market Collusion

• License Auction with Bankruptcy

PAPERS IN JAPANESE

BOOKS

• Learning Is Such Fun, (co-authored) Seikaishashinsho. June 2014

• Oikonomia, (co-authored), Asahishinbunshuppan. March 2014

• Mathematics in Economics: Revised edition, (co-editor, co-authored) Nihonhyoronsha. March 2012

• Let's Solve Challenging Issues in Japan, (co-authored), Kobunshashinsho. July 2012

• Social System of Mobile Value, (co-authored), Keizaisangyochosakai. March 2010

• School Choice Design: A Game Theory Approach, (editor, co-authored), NTT Shuppan. March 2010

• Mathematics in Economics, (co-authored), Nihonhyoronsha. October 2008

• Mobile Value Business, (co-authored), Chuokeizaisha. October 2008

RESEARCH PAPERS (REFEREED OR INVITED)

• Matching Theoretical Analysis on School Choice Problems, Gendikeizaigaku no Choryu, pp.95-122, 2014.

• Matching Market Design: Theory and Practice, Proceedings of the 25th RAMP Symposium, pp.1-16, 2013.

• Market Design in Business: Theory and Practice, Hitotsubashi Business Review, Summer, Vol.61(1), pp.6-21, 2013.

• Recent Developments in Market Design and its Applications to School Choice, Hokkaido Journal of New Global Law and Policy, Vol.15, pp.345-384, 2012.

• Interconnection of Public Finance and Finance: Perspective on Economy, Finance, and Government Bonds, Jurist, No.1431, pp.50-55, 2011.

• Switching Cost Analysis on E-Money and Point Cards, Operations Research, Vol.55, No.1, pp.19-24, 2010.

• Optimal Entry Regulation by Auctions: A Theory of Optimal Entry Auctions, The Journal of Social Science, Vol.55 No.3-4, pp.121-138, 2004.

NON-REFEREED ARTICLES ON ECONOMICS

• • Envelop Theorem in Economics (with Daisuke Oyama), Keizaiseminar, No.662(Oct-Nov): 38-49. October 2011

  • How to Dispel Harmful Rumors: Information Economics Approach, Nikkei Business Online, August 22. August 2011

  • Game Theory and Public Finance: Proposing Spectrum Auctions, Nikkei Business, February 28. February 2011

  • Thinking School Choice from Institutional Design Viewpoint, Chugakko, No.689(Feb). February 2011

  • Applying Auction Theory to Internet Search, Nikkei Business, August 2. August 2010

• Sovereign Risk and Fiscal Reconstruction (2nd), The Nikkei, March 4. March 2010

• Economics of Currency Crises, Nikkei Business, February 8. February 2010

  • New Keywords in 2010s, Gendaiyogonokisochishiki 2009. November 2009

  • Common Knowledge: No Communication Dominates Face-to-Face (with Ayako Hirono), Nikkei Business Management, Summer: 8-9. October 2009

  • Game Theoretical Analysis on Bubbles, The Nikkei, June 14-17, 20, 22-24. July 2009

  • Moral Hazard: Wage is Not the Only Reward (with Ayako Hirono), Nikkei Business Management, Summer: 8-9. July 2009

• Market Design Changes Economy, Conundrum, Summer: 88-93. June 2009

• Matching Market Design (with Fuhito Kojima), Keizaiseminar, No.647(Apr-May): 135-145. April 2009

• Hyperbolic Discounting: People are Naturally Myopic (with Ayako Hirono), Nikkei Business Management, Spring: 8-9. April 2009

• Economic Analysis on School Choice, Economist, January 13: 46-49. January 2009

• Signaling Theory: VUITTON and Education Play the Same Role (with Ayako Hirono), Nikkei Business Management, Winter: 8-9. December 2008

• Matching Theory: Algorithm Can Choose Your Boss (with Ayako Hirono), Nikkei Business Management, Fall: 10-11. October 2008

• Mechanism Design with an Application to Speed-Dating, Weekly Diamond, July 5. July 2008

• Game Theory: Similarity between Stores' Location Choice and Political Competition (with Ayako Hirono), Nikkei Business Management, Summer: 17-19. July 2008

• A Survey on Market Design, The Nikkei, June 5. June 2008

• Switching Costs: Points Make Consumers Worse Off (with Ayako Hirono), Nikkei Business Management, Spring: 17-19. April 2008

• Key Words are "Nash Equilibrium": 5 Books for Introducing Game Theory, Nikkei Business Associe, May 16: 72-73. May 2006

• Economic Perspectives on FTA: A Comment to Column No. 163, RIETI. June 2004

INTERVIEWS AND OTHERS

• Who Will Win?: Guessing Winners of the Nobel Prize 2011 in Economics (interview), Nikkei Online, October 2. October 2011

• Reading Economics Books may Dramatically Change Your Life (interview), FJ (Financial Japan), July. July 2011

• Is Economics Interesting? (moderator), Keizaiseminar, Decenber-January. December 2010

• Applying Game Theory to Practice (interview), Cyzo, May. May 2010

• Global Game and Precise Prediction (interview), Nikkei Business Online, April 28. April 2010

• Multiple Equilibria and Variety of Capitalism (interview), Nikkei Business Online, April 21. April 2010

• Business Trends Explained by Economics (interview), New Textbook on Economics, Nikkei BP. March 2010

• Discussion by Young Researchers (interview), Diamond Online, November 12. November 2009

• IKI Nouveau (interview), pen, July 1. June 2009

• Keywords Selected by 40 Persons, IC (Inter Communication), Autumn. September 2008

• Fureai Hiroba (interview), Jishu No Hata, 2002-05. May 2002

MEDIA

Under Construction...

AWARDS AND FELLOWSHIPS

• Grant-in-Aid for Young Scientists (A) #23683002: Micro-Theoretical Analysis on Market Competition through Auctions 2011-2014

• Grant-in-Aid for Young Scientists (Start-Up) #20830024: On Desirable Design of School Choice Mechanisms: A Matching Theory Approach 2008-2010

• Princeton University Fellowship 2002-2006

• Princeton University Summer Fellowship 2003-2006

• Valedictorian of the Department of Economics, University of Tokyo March 2002

• Ouchi Hyoe Prize (the best senior thesis), University of Tokyo March 2002

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