International Politics; Armed Conflict
"Denial and Punishment in War," Journal of Peace Research, Vol. 59, No. 2, pp. 166-179, 2022. [Slides] [Online Appendix] [Notation List]
"Rationalist Explanations for Two-Front War," Peace Economics, Peace Science & Public Policy, Vol. 26, Iss. 4, Art. 20200018, 2020. [lead article]
"Transnational Policing: Preemption and Deterrence Against Elusive Perpetrators," Defence & Peace Economics, Vol. 30, Iss. 3, pp. 349-366, 2019. [Slides] [Notation List]
"Patterns of Rebellion: A Model with Three Heterogeneous Challengers," Peace Economics, Peace Science & Public Policy, Vol. 24, Iss. 1, Art. 20170021, 2018.
"Expansion of Rebellion: From Periphery to Heartland," Journal of Peace Research, Vol. 52, No. 5, pp. 591-606, 2015. [Slides] [Notation List] [Animated Maps: Napoleonic Wars; Boshin War; American Civil War; Yugoslav Wars]
"Criminal Conflict as Collective Punishment," with Sun-Ki Chai, Economics of Peace & Security Journal, Vol. 6, No. 1, pp. 5-11, 2011. [invited, lead article]
"Creation of Social Order in Ethnic Conflict," Journal of Theoretical Politics, Vol. 21, No. 3, pp. 365-394, 2009. [Slides].
Political Economy; Electoral System
"Racial Redistricting for Minority Representation without Partisan Bias: A Theoretical Approach," Economics & Politics, Vol. 23, No. 1, pp. 132-151, 2011. [Slides]
Law & Economics; Criminal Procedure
"Pseudo-Adversarialism: A Theoretical Comparison Between the U.S. and Japanese Criminal Procedures," with Masatoshi Tsumagari, B.E. Journal of Economic Analysis & Policy, Vol. 12, Iss. 1 (Contributions), Article 41, 2012. [Slides] [Notation List]
"Discretionary vs. Mandatory Prosecution: A Game-Theoretic Approach to Comparative Criminal Procedure," with Masatoshi Tsumagari, Asian Journal of Law & Economics, Vol. 3, Iss. 1, Article 6, 2012. [Notation List]
"The Inquisitor Judge's Trilemma," with Masatoshi Tsumagari, Review of Law & Economics, Vol. 8, No. 1, pp. 137-159, 2012. [Slides] [Notation List]
Microeconomics; Collective Action
"Can Altruism Hinder Cooperation?" Economics Bulletin, Vol. 4, No. 26, pp. 1-6, 2008. [Slides]
Statistics; Fuzzy Theory
"Neuro-Fuzzy Projection Pursuit Regression," with H. Ichihashi, T. Miyoshi, and K. Nagasaka, Neural Networks, Proceedings, IEEE International Conference on, Vol. 2, pp. 766-770, 1995.
In Japanese: "Regression and Classification by Neuro-Fuzzy Projection Pursuit," with H. Ichihashi, T. Miyoshi, and K. Nagasaka, Transactions of the Institute of Systems, Control & Information Engineers, Vol. 9, No. 7, pp. 337-346, 1996.