2024
Jan 26, 2024: A talk at Otaru University of Commerce
Title: Population ethics with thresholds
Co-authors: Walter Bossert and Kohei Kamaga
Event: Saturday Workshop
Jan 26, 2024. 4:10 pm -5:40 pm
Jan 27, 2027: A study group on Rawls's political philosophy
A host of this group.
Jan 30, 2024: A talk in the JLPS workshop
Feb 6, 2024: Applied Ethics Workshop
Role: organizer
Two presentations (chaired by Ken Oshitani):
Satoshi Kodama (Kyoto U )
Title：Conceptual and ethical issues in pandemic response
Jeroen Hopster (1 hour; In person; chaired by Ken Oshitani)
Title：Do status quo expectations carry moral weight? Their role in a just climate transition
Location: Institute of Social Science, University of Tokyo
Date：February 6, 2024／3:00 pm ‐5:00 pm (JST)
Feb 9, 2024: A presentation
Title: Fair social quasi-orderings
Event: Dialogue between Philosophy and Economics: Taking Interpersonal Comparisons of Well-being Seriously in Its Formulation and Measurement for Social Evaluation
Feb 16, 2024: A new paper has been accepted.
Title: Tsunami-tendenko follows the anti-extinction principle, not utilitarianism
Journal: Journal of Medical Ethics
Co-author: Ken Oshitani
March 4, 2024: Hosting a talk
Speaker: Benoit Decerf (The World Bank)
Title: Lives, Livelihoods, and Learning: A Global Perspective on the Wellbeing Impacts of the Covid-19 Pandemic (joint work with J. Friedman, A Mendes, S Pennings, N Yonzan)
Location: Institute of Social Science, University of Tokyo
March 16-17: A talk by my co-author, Kohei Kamaga (in Japanese)
Event: JAMS (Japanese Association for Mathematical Sociology), Osaka University, Osaka
Paper: The Poverty Line Paradox
Date: March 16, 2024
Note: This is a poster session
March 18, 2024: Hosting a talk
Speaker: L.A.Paul (the Millstone Family Professor of Philosophy and Professor of Cognitive Science, Yale University)
Title: The computational self: location in space, time, and possibility (joint work with Julian de Freitas (Harvard), Tomer Ullman (Harvard), & Josh Tenenbaum (MIT))
Location: Institute of Social Science, University of Tokyo
Co-organizer: Kengo Miyazono (Graduate School of Humanities & Human Sciences, Hokkaido University)
April 4, 2024: A new paper has been accepted.
Title: Smallest quasi-transitive extensions
Journal: Journal of Mathematical Economics
Co-authors: Walter Bossert and Kohei Kamaga
April 17, 2024: A talk at the Department of Economics at Seoul National University
Title: Ex-post approaches to prioritarianism and sufficientarianism
Date: April 17
Note: T. S. Kim Seminar (Micro)
May 1, 2024: A new paper has been accepted.
Title: Repugnance at the limit
Journal: Ratio
Co-authors: Ko Harada and Ken Oshitani
May 16-17: A talk at Frontiers of Economics and Philosophy Conference
Paper: Population ethics with thresholds
Location: The Paris School of Economics
Date: May 17
May-June 2024
A short-term visit to Lund University.
May 30-31: a talk at the Value Theory workshop in Lund
Event: Value Theory workshop
Paper: Population ethics with thresholds
Location: Lund University
Date: May 31
June 3: A talk in Stockholm
Paper: The Demands of Sustainability (joint work with Katie Steele)
Location: The Institute for Futures Studies
June 7: A talk in Lund
Paper: The Limits of Timeslice Views (joint work with Iwao Hirose)
Event: Workshop in Formal Ethics
Location: Lund University
June 15-16: A talk in Taiwan
Paper: Long-term ng-term Consequences of School-mediated Transition from School to Work: Theory and Evidence (joint work with Hiroshi Ishida)
Event: 2024 Annual Meeting of Life Course Transitions in East Asia: Education, Employment, and Family Formation
Location: National Taiwan University
Date: June 16
June 15: Organizing an event
Event: A postdoc session for axiologists (Social Science and Ethics)
Speaker: Iwao Hirose
Coordinator: Susumu Cato
July 2-5: A talk in Paris
Paper: Fair Quasi-Orderings (joint work with Marc Fleurbaey)
Event: 17th Meeting of the Society for Social Choice and Welfare
Date: July 5
My co-author, Kohei Kamaga, talk our paper too on July 5.
July 16: Organizing a talk
Event: Workshop on Methodology of Social Science
Title: The disvalue of premature death and its temporal location: philosophical foundations of population health measure
Speaker: Iwao Hirose
Aug 13: A new paper has been accepted.
Title: Acyclic population ethics and menu-dependent relations
Journal: Economics and Philosophy
August 26-28: A talk at Jeju (island), South Korea
Event: East Asia Game Theory Conference 2024
Paper: Population ethics with thresholds
Sept 20: Workshop on Social Choice Theory
Sept 30: Social Choice Working Group Session
Walter Bossert and Kohei Kamaga
Topics: Population Ethics, Voting, Social Mobility, and Inequality
Oct: Visiting Australian National University
Host: Alan Hájek
Nov 4: A new paper has been accepted.
Title: Multi-species population ethics with critical levels
Journal: Erkenntnis
Co-author: Shu Ishida
Nov 13-16: PPE conference
Paper: Population ethics with thresholds
Nov 21: A talk at Princeton
Event: Formal Philosophy Working Group
Dec 3: A new work is published
A panel discussion from the Japan Law and Economics Association 2022 has been published in the Law and Economics Review.
This is done with Fumio Otake, Shigeto Yonemura, Masahiko Ohta, and Daisuke Mori.
2023
Jan 10, 2023: A new working paper is available
Title: Independent, neutral, and monotonic collective choice: The role of Suzumura consistency,
Co-authors: Walter Bossert and Kohei Kamaga
Feb 2, 2023: A new paper in Japanese has been published
Title: "Jissen to kosei" ("practice and fairness: conceptual and economic analysis of fair play" in English) will appear in
Journal: Syakaikagaku-kenkyu (Journal of Social Science).
Co-authors: Masaya Miyamoto
Feb 17, 2023: A new working paper is available
Co-authors: Walter Bossert and Kohei Kamaga
Feb 20, 2023: A dialogue on homo-economicus (with Sonoe Omoda, Ken Oshitani, and Shigeki Uno). The event is held in the ISS.
March 15, 2023: A new paper has been accepted
Title: Strategic crackdown on organized crime by local governments
Journal: Economics of Governance
Co-author: Ken Yahagi
May 3-6, 2023: A talk in Granada
Event: Workshop on Collective Decisions: Current Trends (University of Granada)
Title: Non-binary population ethics and the mere addition paradox
Date: May 4th
Note: Stéphane Gonzalez presents our joint work too (May 4th)
June 3, 2023: A new paper has been accepted
Title: "Independent, neutral, and monotonic collective choice: The role of Suzumura consistency"
Journal: Social Choice and Welfare
Co-authors: Walter Bossert and Kohei Kamaga
July 6, 2023: Organizing an international conference
Speakers: Matthew Adler (Duke University), Wataru Tanaka (University of Tokyo), Hun Chung (Waseda University), Kenneth Mori McElwain and the ISS COVID Team (University of Tokyo), Jun Otsuka (Kyoto University), Sawako Shirahase (University of Tokyo)
July 15, 2023: One paper is forthcoming
Title: Trade-off between repugnant and sadistic conclusions under the separability of people’s lives
Book chapter: Y. Adachi and M. Usami (eds.), Governance for a Sustainable Future. Springer.
July 16, 2023: A new working paper is available.
Title: Fair social quasi-orderings
Co-author: Marc Fleurbaey
July 17-21, 2023: A talk in Paris
Event: SAET (Society for the Advancement of Economic Theory) conferences in Paris
Title: Non-binary population ethics and the mere addition paradox
Date: July 17th
July 20, 2023: A paper came out.
Title: Are good leaders truly good?
Co-author: Akira Inoue
Journal: Analysis
July 24, 2023: summaries of two books are available in UTokyo BiblioPlaza:
Cato, Susumu (2016). Rationality and Operators: The Formal Structure of Preferences. Springer Briefs in Economics, Springer-Verlag.
Ohtaki, Masayuki, Cato, Susumu (eds.) (2017). Keynes to Sono Jidai o Yomu (Lessons from Keynes and his contemporary writers - a guide to rethinking a time of crisis), University of Tokyo Press.
Aug 8: A new paper has been accepted.
Title: A new result on the impossibility of avoiding both the repugnant and sadistic conclusions
Co-author: Ko Harada
Journal: Economics Letters
Aug 18: A new paper has been accepted.
Title: Infection control, subjective estimates, and the ethics of testing during the COVID-19 pandemic
Co-author: Shu Ishida
Journal: Bioethics
Aug 25-26: A talk by my co-author, Akira Igarashi (in Japanese)
Event: JAMS (Japanese Association for Mathematical Sociology), Aichi Daigaku, Nagoya
Paper: Do history textbooks influence future political beliefs?
Date: Aug 25, 11:30 am -13:00 am
Note: This is a poster session
Sept 13: A new paper has been accepted.
Title: Stable dystopia: a critique of the circular definition of stability in Nozick’s model of utopia
Co-author: Hun Chung
Journal: Analysis
Sept 12: A new discussion paper is available.
Title: Suzumura consistency and minimal quasi-transitive extensions
Co-authors: Walter Bossert and Kohei Kamaga
Sept 13: A new discussion paper is available.
Title: Ex-post approaches to prioritarianism and sufficientarianism
Co-authors: Matthew D. Adler, Walter Bossert, and Kohei Kamaga
Available at SSRN: https://ssrn.com/abstract=4569519 or http://dx.doi.org/10.2139/ssrn.4569519
Sept 15: A program committee member / a chair of Session 5
Sept 16-17: A discussant
Paper: Consistent linear orders for supermajority rules (Yasunori Okumura)
Sep 16, 2023 9:30 AM - 11:30 AM Room 4 (C301)
Sept 20: A new paper has been accepted.
Title: Potential rationality in collective decision-making
Journal: Synthese
Sept 27 - Oct 28
Visiting Australian National University
Host: Alan Hájek
Oct 7: Joining "Scientist Festival" as a collaborator
Onsite Poster: Shigeto Seno
Oct 19: A talk at ANU Thursday Seminar
Oct 23: Elected a council member of the society of social choice and welfare (2022-2027).
The approval voting applied.
Oct 27: Walter Bossert, my co-author, gives a talk on our project.
Title: Suzumura consistency and minimal quasi-transitive extensions
Event: 7th Spain-Japan meeting on economic theory
Place: Waseda University
Nov 2-4, 2023: Talks in New Orleans
Event: PPE conference
Sessions
[1] Formal Approaches to Deliberative Democracy and Aggregative Democracy
The power of majorities under the Borda rule [Nov 4]
[2] Formal Approaches to PPE: Algorithmic Fairness and Nozick’s Framework for Utopia
Nozicl's framework for utopia: a formal model of Nozick's possible worlds [Nov 2]
Note: I will join the event with my co-author, Hun Chung.
Nov 27, 2023: A new paper has been accepted.
Title: Timeslice Prioritarianism, Prudence, and Weak Pareto
Journal: Australasian Journal of Philosophy
Co-author: Iwao Hirose
Dec 20, 2023: A new paper has been accepted.
Title: Sufficientarianism and incommensurability
Journal: Philosophical Studies
2022
Jan 8, 2022: "Vaccination and altruism under the COVID-19 pandemic" (with Takashi Iida, Kenji Ishida, Asei Ito, Hiroto Katsumata, Kenneth Mori McElwain, and Masahiro Shoji) has been accepted by Public Health in Practice.
Jan 14 2022: "Stable preference aggregation with infinite population" has been accepted by Social Choice and Welfare.
Jan 26, 2022: A talk by Roberto Fumagalli [King's College London] is organized (chair Akira Inoue).
May 1, 2022: "Kokyo" (Public) (a textbook for Japanese highschool students) is published from Tokyo-Shoseki (I work as one of the authors).
May 1, 2022: Information about "Seiji-Keizai" (Politics and Economy) (a textbook for Japanese highschool students) is available from Tokyo-Shoseki (I work as one of the authors).
May 6, 2022: "Generalized poverty-gap orderings" (joint work with Walter Bossert and Kohei Kamaga) has been accepted by Social Indicators Research. [Open Access]
May 13, 2022: A new discussion paper, entitled "Are good leaders truly good?," is available (joint work with Akira Inoue).
May 13, 2022: A new discussion paper, entitled "Strategic crackdown on organized crime by local governments," is available (joint work with Ken Yahagi).
May 17-18, 2022: A talk in Incommensurability and Population-level bioethics at Rutgers University. The title is "The sufficientarian principle and incommensurability."
May 17, 2022: "Thresholds, critical levels, and generalized sufficientarian principles" (a joint work with Walter Bossert and Kohei Kamaga) has been accepted by Economic Theory. [Open Access]
May 19, 2022: A new discussion paper, entitled "Infection control, personal estimations, and the ethics of testing during COVID-19 pandemic," is available (joint work with Shu Ishida).
May 20, 2022: A talk by my co-author, Akifumi Ishihara, at the Osaka Workshop on Economics of Institutions and Organizations ("Employee Referrals and Incentive Schemes").
May 22, 2022: A 5-min research proposal at the Japanese Life Course Panel Surveys (JLPS) workshop (first meeting of 2022).
June 2, 2022: A talk by my co-author, Stéphane Gonzalez, at Aix-Marseille School of Economics ("Proportional methods for certification").
June 10, 2022: A new discussion paper, entitled "Multi-species population ethics with critical levels," is available (joint work with Shu Ishida).
June 11, 2022: "Mobile health technology as a solution to self-control problems: the behavioral impact of COVID-19 contact tracing apps in Japan" (Masahiro Shoji, Susumu Cato, Takashi Iida, Kenji Ishida, Asei Ito, Hiroto Katsumata, and Kenneth Mori McElwain) has been accepted for publication in Social Science and Medicine.
June 30, 2022: A dialogue on deliberative democracy (with Tetsuki Tamura, Shinichi Tabata, and Shigeki Uno). The event is held in the ISS.
July 12, 2022: A talk by my co-author, Stéphane Gonzalez, at SING 17 (17th European Meeting on Game Theory). The title is "Proportional methods for certification."
July 15, 2022: "Understanding the function of a social business ecosystem" (with Hiroki Nakamura) has been accepted for publication in Sustainability.
July 18, 2022: "Revisiting variable-value population principles" (with Walter Bossert and Kohei Kamaga) has been accepted for publication in Economics and Philosophy.
Aug 8, 2022: "The trade-off between the repugnant and sadistic conclusions under Population axiology and separability of people’s lives" in Kyoto University (Workshop on Principles for Sustainability).
Aug 27, 2022: A talk in the Japanese Association for Mathematical Sociology (in Japanese). This is about estimation of inequality in the Edo period.
Aug 31, 2022: A 20-min talk in a meeting of the KAKENHI project "Politics, Philosophy, and Economics in Rawls's Theory of Justice" (in Japanese). This is a book review of "John Rawls" by Junichi Saito and Masato Tanaka, who joined the meeting.
Sept 17, 2022: A talk in Re-examining Anarchy, State, and Utopia (September 15-16, Université de Fribourg). My coauthor, Hun Chung, will present our paper, entitled "Nozick’s framework for utopia."
Oct 4, 2022:
Oct 18, 2022: A dialogue on liberalism (with Tomohito Baji, Sung-eun Cho, and Shigeki Uno). The event is held in the ISS.
Nov 13, 2022: A panel discussion in Japan Law and Economics Association. This is about COVID-19 policies and legal systems.
Nov 15, 2022: An online workshop in Tohoku University. This is organized by Yoshimichi Sato.
Nov 25, 2022: A talk by my co-author, Stéphane Gonzalez, at the workshop on "cooperative models in games and social choice," which is organized for GdR jeux by CRESE in Besançon on November 24-25, 2022.
Dec 4, 2022: "When is weak Pareto equivalent to strong Pareto?" has been accepted for publication in Economics Letters.
Dec 16, 2022: A dialogue on libertarianism (with Iwao Hirose, Susumu Morimura, and Shigeki Uno). The event is held in the ISS.
Dec 21, 2022: "Are good leaders truly good?" (with Akira Inoue) has been accepted by Analysis.
Dec 27, 2022: A COVID-19 workshop in Tohoku University.
2021
June 24, 2021: A talk in a workshop for competition law. The title is " the conception of competition" In Japanese.
July 27, 2021: A talk in a workshop in Development Bank of Japan. The title is "the role of altruism and liberties under the COVID-19 pandemic." In Japanese. Akira Inoue joined it as a discussant.
Aug 19, 2021: Prosociality and the uptake of COVID-19 contact tracing apps: survey analysis of intergenerational differences in Japan (with Masahiro Shoji, Takashi Iida, Kenji Ishida, Asei Ito, Hiroto Katsumata, and Kenneth Mori McElwain) has been published in JMIR ｍHealth uHealth.
Sept 14, 2021: A talk in Workshop on Governance for a Sustainable Future (organized Yukio Adachi and Makoto Usami). In English.
Oct 29, 2021: A talk with Alan Hájek in the ANU - UTokyo Dialogue on Post-Covid Society 2021. A chair is Akira Inoue.
Nov 5, 2021: Critical-level sufficientarianism (with Walter Bossert and Kohei Kamaga) is accepted by the Journal of Political Philosophy.
Nov 5, 2021: Infinite-population approval voting: A proposal (with Philippe Solal and Eric Rémila) is accepted by Synthese.
Nov 9, 2021: A chair of ISS workshop (a talk by Shigeki Uno)
Nov 19, 2021: A talk in The Japan Economic Research Institute. The title is "Understanding management and social problems from the viewpoint of public philosophy." In Japanese.
Nov 10, 2021: Variations in early-stage responses to pandemics: survey evidence from the COVID-19 pandemic in Japan" (with Masahiro Shoji, Takashi Iida, Kenji Ishida, Asei Ito, and Kenneth Mori McElwain) is accepted by Economics of Disasters and Climate Change.
Nov 10, 2021: Social media infodemics and social distancing under the COVID-19 pandemic: public good provisions under uncertainty (with Takashi Iida, Kenji Ishida, Asei Ito, Hiroto Katsumata, Kenneth Mori McElwain, and Masahiro Shoji) is accepted by Global Health Action.
Nov 17, 2021: A new book, "The “Human Condition” in the Age of Digitalization" (with Asei Ito, Kenji Ishida, and Takashi Iida: in Japanese), will be published by Chikuma Shobo.
Nov 19, 2021: A talk at an event of The Japan Economic Research Institute.
Nov 22, 2021: A talk in Cell Community Workshop in Osaka University.
Dec 13, 2021: Symposium, "Thinking about Japanese-style innovation in a maturing society", organized by Institute of Social Science and Institute of Industrial Science, University of Tokyo. Joining as a discussant. In Japanese.
Dec 17, 2021: "Libertarian Approaches to the COVID-19 Pandemic" (joint work with Akira Inoue) is accepted by Bioethics.
Dec 21, 2021: Workshop for Rawlsian Political Philosophy as a part of "Methodology of social sciences: how to measure phenomena and values" in Institute of Social Science. In Japanese.
2020