Research
Journal Publication
"'Kick Them Out' as a Voting Strategy: Theory and Evidence from Multi-member District Elections" with Hiroto Katsumata, Journal of Politics, forthcoming.
"A Dynamic Model of Rational 'Panic Buying'" with Kazuhiro Teramoto, Quantitative Economics, 15 (2), 489-521, 2024.
Video Interview by Faculti
"On Statistical Discrimination as a Failure of Social Learning: A Multi-Armed Bandit Approach" with Junpei Komiyama, Management Science, forthcoming.
The code is available at Junpei's GitHub repository.
15-minute presentation video (in Japanese, prepared for the JEA spring meeting 2021)
"A Planner-Optimal Matching Mechanism and Its Incentive Compatibility in a Restricted Domain", Games and Economic Behavior, 141, 364-379, 2023.
"Mechanism Design with General Ex-Ante Investments" with Hitoshi Matsushima, Journal of Mathematical Economics, 106, 102831, 2023.
"Strategic Experimentation with Random Serial Dictatorship" Games and Economic Behavior, 133, 115-125, 2022.
"Size versus Truncation Robustness in the Assignment Problem" Journal of Mathematical Economics, 87, 1-5, 2020.
There is a corrigendum (which fixes a calculation error in the proof).
"Full Surplus Extraction and within-period Ex Post Implementation in Dynamic Environments" Theoretical Economics, 14 (1), 39-69, 2019.
Supplementary Appendix can also be downloaded from the above URL.
MATLAB code for drawing Figure 2 (empirical probability calculator)
(Final working paper version at SSRN and its online appendix)
Fully Refereed Conference Proceedings
"An Economic Analysis of Difficulty Adjustment Algorithms in Proof-of-Work Blockchain Systems" with Kyohei Okumura and Yoshinori Hashimoto, The 21st ACM Conference on Economics and Computation (EC 2020), as an extended abstract.
Working Paper
"Miners' Reward Elasticity and Stability of Competing Proof-of-Work Cryptocurrencies" with Kohei Kawaguchi and Junpei Komiyama
"Deviation-Based Learning: Training Recommender Systems Using Informed User Choice" with Junpei Komiyama
"Mechanism Design with Blockchain Enforcement" with Hitoshi Matsushima
Press Release (The University of Tokyo)
"An Economic Analysis of Difficulty Adjustment Algorithms in Proof-of-Work Blockchain Systems" with Kyohei Okumura and Yoshinori Hashimoto, revision requested by International Economic Review
An extended abstract appeared in the proceedings of The 21st ACM Conference on Economics and Computation (EC 2020).
This paper was previously titled "A Lucas Critique to the Difficulty Adjustment Algorithm of the Bitcoin System".
Slides for 10-minute presentation (prepared for the Blockchain Scalability Conference)
Slides for 60-minute presentation (prepared for the Data Science and Blockchain workshop at Banff)
Slides for 90-minute presentation (prepared for the Digital Economy Seminar hosted by HKBU, NTU, RUC, and Monash)
Codes and notebooks are available at Kyohei's GitHub repository.
"Pricing of Mining ASIC and Its Implication to the High Volatility of Cryptocurrency Prices" with Yoshinori Hashimoto
"Large Matchings in Large Markets with Flexible Supply"
Job market paper for the 2018-2019 season.