Welcome to Takako Fujiwara-Greve's site! (Last update 2025/04/08.)
I am a professor of economics, at Department of Economics, Keio University.
Here is my official web site at Keio University.
My book, Non-Cooperative Game Theory (Springer, 2015), has two pages: information for instructors etc. and Springer's page.
"Evolutionary Instability of Cooperation towards Strangers in Voluntary Partnerships". (Draft as of 2024/10/05) NEW!
"Accountable Voting" (joint with Yoko Kawada, Komazawa U., Yuta Nakamura, Yokohama City U., and Noriaki Okamoto, Meiji Gakuin U.) (draft as of 2025/03/18) SSRN 4406802. This is a focused version of the 2021 manuscript. NEW!
"Voluntary Partnerships and Cooperation: An Experimental Study" (joint with Naoko Nishimura, Ritsumeikan U., Masahiro Okuno-Fujiwara, U. Tokyo (emeritus), and Nobue Suzuki, Komazawa U.) August, 2023. SSRN 4521316
"Inspecting Cartels over Time: With and without Leniency Program" (joint with Yosuke Yasuda, Osaka University). (SSRN version as of 2023/02/28). New version coming soon!
"On the Folk Theorem in Self-Sustained Communities" (joint with Yosuke Yasuda, Osaka University). (draft as of 2022/01/24).
"Tolerance in Voluntary Partnerships" (joint with Masahiro Okuno-Fujiwara, emeritus professor, University of Tokyo) (draft as of 2021/08/19)
Older drafts:
*"Accountable Voting: Impossibility and an Analysis of Concrete Rules" (joint with Yoko Kawada, Komazawa U., Yuta Nakamura, Yokohama City U., and Noriaki Okamoto, Meiji Gakuin U.) (Draft of 2021.) SSRN 3786674.
*"Exit Option can Make Cooperation Easier" (joint with Yosuke Yasuda, Osaka University) (Latest version as of 2017/12/12.)
*"Tolerance and Behavioral Diversity" (joint with Masahiro Okuno-Fujiwara, University of Tokyo emeritus) (Latest version as of 2019/1/2.)
Older versions have the title: "Diverse Behavior Patterns in a Symmetric Society with Voluntary Partnerships" ( Old version as of 2016/10/14. SSRN version.)
*"Dynamic Noncooperative Group Formation with Size Advantage and Group Reputation" (Latest version as of 2015/08/08.)
*"Inspecting Cartels" (joint with Yosuke Yasuda, Osaka University) (An old version as of July 2014)
The complete list of my work is available in my cv at Keio University.
*"Repeated games with partner choice" (joint with Christopher Graser, Julian Garcia, and Matthijs van Veelen). PLOS Computational Biology, 2025, 21(2): e 1012810. NEW!
*"Farsighted Clustering with Group-Size Effects and Reputations" (joint with Toru Hokari, Keio University). Dynamic Games and Applications, 2023, 13, 610-635. (Submitted version of 2022/07/26. Online Appendix.)
*"Algorithms may not learn to play a unique Nash equilibrium" (joint with Carsten Krabbe Nielsen, Catholic University of Milan.) Journal of Computational Social Science, 2021, 4(2), 839-850. (Final version. 2021/02/14.)
* "Asymmetry of Customer Loss and Recovery under Endogenous Partnerships: Theory and Evidence" (joint with Henrich R. Greve, INSEAD, and Stefan Jonsson, Uppsala University) International Economic Review, 2016, 57(1), 3-30. (Extended version pdf file.)
*"Efficiency may Improve when Defectors Exist" (joint with Masahiro Okuno-Fujiwara, Musashino University, and Nobue Suzuki, Komazawa University) Economic Theory, 2015, 60(3), 423-460.