I am a Professor at the Graduate School of Economics, Osaka University. I have a BA from the University of Tokyo and a Ph.D. from Princeton University. Taking a sabbatical leave, I have been staying at the ISEG in Lisbon from April 2021 to August 2022.

My Research

I am a theoretical economist with strong interests in applications. My research primarily focuses on Game Theory, Industrial Organization, and Market Design. I have published papers in top economics journals, including American Economic Review, AEJ: Microeconomics, Journal of Economic Theory, and RAND Journal of Economics, as well as leading journals in other fields such as AAMAS, Artificial Intelligence, and Scientific Reports. As an editor/co-author/supervisor, I have published over 30 books. I have also contributed around 250 articles to newspapers, economic magazines, and online media.


Below is the link to the courses that I have taught. By going to each page you can download lecture slides, homeworks, solutions, etc.

Beyond Academia

  • I am a co-founder of Economics Design Inc. that aims to utilize economics in business.
  • My twitter account has over 32,000 followers; ranked 1st amoung Japanese economists who registered IDEAS.
  • As a commentator/navigator, I have appeared on TV programs more than 500 times.
  • As a speaker/paneslist/moderator, I have attended over 100 lectures and seminars.
  • As a member, I have participated in several government and public sector committees.
    • Ministry of Economy, Trade and Industry, 2018 – present.
    • Ministry of the Environment, 2018 – 19, 2021 – present.
    • Financial Services Agency, 2014 – 16.

What’s New?

Conference Talks in 2022 (by me or co-author)

Last update: March 2023