Kensei Nakamura

Education

• M.A. Hitotsubashi University, 2025

• B.A. Hitotsubashi University, 2023

Publication in Refereed Journals

1. Collective decisions under uncertainty: efficiency, ex-ante fairness, and normalization (with Leo Kurata)
   Theoretical Economics, forthcoming. Link

2. The Cesàro average criterion on infinite utility streams and its extensions
   Journal of Public Economic Theory, 2026, Volume 28, e70143. Link (WP versoin)

3. Social choice rules with responsibility for individual skills
   Journal of Mathematical Economics, 2026, Volume 126, 103295. Link (WP Version)

4. When is it (im)possible to respect all individuals’ preferences under uncertainty?
   Games and Economic Behavior, 2026, Volume 158, pages 114-121. Link (WP version)

5. Utilitarianism or egalitarianism? A new characterization of the mixed utilitarian-maximin social welfare orderings (Noriaki Kiguchi)
   Social Choice and Welfare, 2026, Volume 66, pages 109-126. Link

6. Step-by-step negotiations and the Nash bargaining solution: efficiency-free characterizations
   Economics Letters, 2024, Volume 242, 111888. Link

7. Collective or individual rationality in the Nash bargaining solution: efficiency-free characterizations
   Social Choice and Welfare, 2024, Volume 62, pages 629-642. Link

Working Papers

1. Condorcet-loser dominance among scoring rules (with Ryoga Doi), 2026. arXiv

• Conditionally Accepted at Social Choice and Welfare

2. Preferences with multiple forecasts (with Shohei Yanagita), 2025. arXiv

• R&R at Economic Theory

3. Randomization and ambiguity perception (with Yutaro Akita), 2025. arXiv

• Awarded the Jaffray lecture at RUD 2026 (for an outstanding paper by young researchers)

4. Cautious dual-self expected utility and weak uncertainty aversion (with Shohei Yanagita), 2025. arXiv

5. Weak independence of irrelevant alternatives and generalized Nash bargaining solutions, 2025. arXiv

6. Partially rational preferences under ambiguity (with Shohei Yanagita), 2025. arXiv

7. The coarse Nash bargaining solutions (with Satoshi Nakada), 2025. arXiv

8. Reservation of judgment and robust collective decisions (with Leo Kurata), 2025. arXiv

9. Agreement with reservation of judgment under risk (with Leo Kurata), 2026. arXiv

10. Cautious and fair social evaluation under risk (with Kaname Miyagishima) 2026. ReserchGate

CV

For more information, please see my CV!