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Research Staff
CATO, Susumu

Research Staff

CATO, Susumu

Division	Department of Comparative Contemporary Economics
Research Fields	Welfare economics, Public economics
E-mail	catoiss.u-tokyo.ac.jp
Homepage	https://sites.google.com/site/susumucato/

Teaching and Research Appointments

April 2024 −	Professor, Institute of Social Science, The University of Tokyo
May 2018 −	Visiting Senior Researcher, Research Institute of Capital Formation, Development Bank of Japan
April 2012 − March 2014	Associate Professor, Graduate School of Social Science, Tokyo Metropolitan University
April 2009 − March 2012	Research Associate, Institute of Social Science, The University of Tokyo

Topics of Research

1Social Choice Theory
2Industrial Organization
3Organization and Wage Profile
4Environment and Sustainability
5Well-being and Fairness

Selected Publications

When is weak Pareto equivalent to strong Pareto? Economics Letters, 222, 2023, 110953.
Strategic crackdown on organized crime by local governments. (joint work with Yahagi, K.) Economics of Governance, (2023).
https://doi.org/10.1007/s10101-023-00293-6(Mar.2023)
Revisiting variable-value population principles. (joint work with Bossert, W., & Kamaga, K.) Economics & Philosophy, 1-17, (2022).
doi:10.1017/S0266267122000268
Are good leaders truly good? (joint work with Inoue, A.) Analysis, (Nov.2022). accepted.
Thresholds, critical levels, and generalized sufficientarian principles. (joint work with Bossert, W., & Kamaga, K.) Economic Theory, (Jul.2022).
https://doi.org/10.1007/s00199-022-01439-z
Mobile health technology as a solution to self-control problems: The behavioral impact of COVID-19 contact tracing apps in Japan. (joint work with Shoji, M., Ito, A., Iida, T., Ishida, K., Katsumata, H., & McElwain, K. M.) Social Science & Medicine, 306, 2022, 115142.
Libertarian approaches to the COVID–19 pandemic. (joint work with Akira Inoue), Bioethics, 36(4), 445-452.
DOI: https://doi.org/10.1111/bioe.13007(May 2022)
Understanding the function of a social business ecosystem. (joint work with Nakamura, H.) Sustainability, 14(15), 2022, 9325.
Generalized Poverty-gap Orderings. (joit work with Bossert, W., & Kamaga, K.) Social Indicators Research, 164(1), 2022, 189-215.
Critical-level Sufficientarianism. (joint work with Bossert, W., & Kamaga, K.) Journal of Political Philosophy, 30(4), 2022, 434-461.
Stable preference aggregation with infinite population. Social Choice and Welfare, (Feb.2022), 1-18. DOI: https://doi.org/10.1007/s00355-022-01389-4
Vaccination and altruism under the COVID-19 pandemic. (joint work with Iida, T., Ishida, K., Ito, A., Katsumata, H., McElwain, K. M., & Shoji, M.) Public Health in Practice, (2022), 100225.
Critical-level Sufficientarianism. (joint work with Bossert, W., & Kamaga, K.), Journal of Political Philosophy, (2021).
Variations in Early-Stage Responses to Pandemics: Survey Evidence from the COVID-19 Pandemic in Japan. (joint work with Shoji, M., Iida, T., Ishida, K., Ito, A., & McElwain, K. M.) Economics of disasters and climate change, (2021), 1-24.
Infinite-population approval voting: A proposal. (joint work with Rémila, E., & Solal, P.), Synthese, (2021), 199(3), 10181-10209.
Social media infodemics and social distancing under the COVID-19 pandemic: public good provisions under uncertainty. (joint work with Iida, T., Ishida, K., Ito, A., Katsumata, H., McElwain, K. M., & Shoji, M.), Global health action, (2021), 14(1), 1995958.
What should we agree on about the repugnant conclusion?. (joint work with Zuber, S., Venkatesh, N., Tännsjö, T., Tarsney, C., Stefánsson, H. O., Steele, K., & Asheim, G. B.), Utilitas, (2021), 33(4), 379-383.
Prosociality and the uptake of COVID-19 contact tracing apps: survey analysis of intergenerational differences in Japan. (joint work with Shoji, M., Ito, A., Iida, T., Ishida, K., Katsumata, H., & McElwain, K. M.), JMIR mHealth and uHealth, (2021), 9(8), e29923.
Superset-robust collective choice rules. (joint work with Bossert, W.), Mathematical Social Sciences, (2021), 109, 126-136.
M.A Rehabilitation of the Institutional Approach to Japanese Economic History: Introduction to the Special Issue. (joint work with Nakabayashi, M.), Social Science Japan Journal.
COVID-19 and social distancing in the absence of legal enforcement: Survey evidence from Japan. (joint work with Shoji, M., Iida, T., Ishida, K., Ito, A., & McElwain, K.), MPRA Paper, (2020).
Social distancing as a public good under the COVID-19 pandemic. (joint work with Iida, T., Ishida, K., Ito, A., McElwain, K. M., & Shoji, M.), Public health, (2020), 188, 51-53.
From the St. Petersburg paradox to the dismal theorem. Environment and Development Economics, (2020), 25(5), 423-432.
Quasi-stationary social welfare functions. Theory and Decision, (2020), 1-22
Extending the Intersection Approach. Journal of Human Development and Capabilities, (2020), 21(3), 230-248
Incompleteness, regularity, and collective preference. Metroeconomica, (2020), 71(2), 333-344
Decisive coalitions and positive responsiveness. Metroeconomica (2018), 69(1), 308-323.
On the existence of an equitable allocation. Metroeconomica, 69(3), 644-654, 2018.
Choice functions and weak Nash axioms. Review of Economic Design, 22(3-4), 159-176, 2018.
Incomplete decision-making and Arrow’s impossibility theorem. Mathematical Social Sciences, 94, 58-64, 2018.
Infinite population and positive responsiveness: a note. Economics Bulletin(2018), 38(1), 196-200.
Hybrid invariance and oligarchic structures. The B.E. Journal of Theoretical Economics (BEJTE) (2018), 18(1).
Collective rationality and decisiveness coherence. Social Choice and Welfare (2017), 50(2), 305–328.
Transparency and performance evaluation in sequential agency (joint with Akifumi Ishihara), Journal of Law, Economics, & Organization (2017), 33(3), 475-506.
Unanimity, anonymity, and infinite population. Journal of Mathematical Economics (2017), 71, 28-35.
The optimal tariff structure and foreign penetration. Asia-Pacific Journal of Accounting & Economics, (2017) 24(1-2), 83-94
Weak independence and the Pareto principle. Social Choice and Welfare (2016), 47(2), 295-314.
Conditions on social preference cycles. Theory and Decision (2015), 79(1), 1-13.
Weak independence and social semi-orders. Japanese Economic Review (2015), 66(3), 311–321.
Weak independent decisiveness and the existence of a unique vetoer. Economics Letters (2015), 131, 59-61.
Optimal privatization and trade policies with endogenous market structure (joint work with Toshihiro Matsumura). Economic Record (2015) 91(294), 309–323. doi: 10.1111/1475-4932.12189.
Extended anonymity and Paretian relations on infinite utility streams (joint work with Tsuyoshi Adachi and Kohei Kamaga). Mathematical Social Sciences (2014), 72, 24–32.
Common preference, non-consequential features, and collective decision making. Review of Economic Design (2014), 18(4), 265-287.
Independence of irrelevant alternatives revisited. Theory and Decision (2014), 76(4), 511-527.
Menu dependence and group decision making. Group Decision and Negotiation (2014), 23(3), 561-577.
Social choice, the strong Pareto principle, and conditional decisiveness. Theory and Decision, 75(4), 563-579.
Alternative proofs of Arrow's general possibility theorem. Economic Theory Bulletin (2013), 1(2), 131-137.
The first-order approach to the principal-agent problems under inequality aversion. Operations Research Letters (2013), 41(5), 526-52
Competitiveness and R&D competition revisited (joint work with Noriaki Matsushima and Toshihiro Matsumura). Economic Modelling (2013), 31, 541–547
Merger and entry-license tax (joint work with Toshihiro Matsumura). Economics Letters (2013), 119, 11-13
Long-run effects of tax policies in a mixed market (joint work with Toshihiro Matsumura). FinanzArchiv: Public Finance Analysis (2013), 69, 215-240.
Remarks on Suzumura consistent collective choice rules. Mathematical Social Sciences (2013), 65, 40–47.
Quasi-decisiveness, quasi-ultrafilter, and social quasi-orderings. Social Choice and Welfare (2013),41,169-202.
Leaders and Competitors (joint work with Ryoko Oki). Journal of Economics (2012), 107, 239-255.
Long-run effects of foreign penetration on privatization policies (joint work with Toshihiro Matsumura). Journal of Institutional and Theoretical Economics (2012), 168, 444-454.
Complements and consistent closures. Discrete Mathematics (2012), 312, 1218-1221.
A note on the extension of a binary relation on a set to the power set. Economics Letters (2012), 116, 46-48.
Fair allocations in large economies with unequal production Skills. International Journal of Economic Theory (2012), 8, 321-336.
Szpilrajn, Arrow, and Suzumura: concise proofs of extension theorems and an extension. Metroeconomica (2012), 63, 235-249.
Social Choice without the Pareto Principle: A Comprehensive Analysis. Social Choice and Welfare (2012), 39, 869-889. DOI: 10.1007/s00355-011-0564-z
A generalization of Campbell and Kelly's trade-off ｔheorem (joint work with Yohei Sekiguchi). Social Choice and Welfare (2012), 38, 237-246.
The efficiency of the state-owned firm and social welfare: a note. Bulletin of Economic Research (2012), 64, 275-285.
Pareto Principles, positive responsiveness, and majority decisions. Theory and Decision(2011), 71, 503-518.
The top-dog and the lean and hungry look strategies in endogenous entry (joint work with Ryoko Oki). Economic Modelling (2011), 28, 2776-2782.
Maskin monotonicity and infinite individuals. Economics Letters (2011), 110, 56-59.
Privatization policy and cost-reducing investment by the private sector. The Manchester School (2011), 79, 1157–1178.
Local envy-freeness and equal-income Walrasian allocations. Economics Letters (2010), 107, 239-241.
Brief proofs of Arrovian impossibility theorems.Social Choice and Welfare (2010), 35, 267-284.
Local Strict Envy-freeness in Large Economies.Mathematical Social Sciences (2010), 59, 319-322.
Emission Taxes and Optimal Refunding Schemes with Endogenous Market Structure,Environmental and Resource Economics (2010), 46, 275-280.
Collective choice rules and collective rationality: a unified method of characterizations (with D. Hirata).Social Choice and Welfare (2010), 34, 611-630.
Another induction proof of the Gibbard-Satterthwaite theorem.Economics Letters (2009), 105, 239-241.

Educational Activities

Graduate School of Economics,The University of Tokyo

An Introduction to Social Choice Theory