Sovereign Debt Crisis:
The Self-Fulfilling Default Model: Its Validity, Applicability, and Implications (Tohoku University. Policy Design Lab Discussion Paper, TUPD-2026-006 )
Sovereign Default Triggered by Inability to Repay Debt (IMES Discussion Paper No. 2019-E-10 )
Fund:
Development of Economic Models of Sovereign Debt Crises and Comparative Analysis of Policies during Crises (JSPS Grant-in-Aid for Early-Career Scientists , No. 25K16659 , 2025-2029)
A Series of Projects to Investigate Policies to Minimize the Social Welfare Loss Triggered by Sovereign Debt Crises (JSPS Grant-in-Aid for Research Activity Start-up, No. 19K23218, 2019-2022)
Upcoming Presentation:
"The Self-Fulfilling Default Model: Its Validity, Applicability, and Implications", Society for Computational Economics, Venice, Italy, June-July 2026
"The Self-Fulfilling Default Model: Its Validity, Applicability, and Implications", The International Institute of Public Finance , Lisbon, Portugal , August 2026
Book:
Japanese economic outlook for 2013, Chapter 4, Mizuho Research Institute, Toyo Keizai Inc., 2012
COVID-19:
Estimating the Effects of Regulating In-Person University Lectures on the Spread of COVID-19: Evidence from Japan, J. Disaster Res., Vol.19 No.2, pp. 446-454, 2024. (with Haewon Youn) Online Appendix