Research

Sovereign Debt Crisis:

・「国家債務危機：発生要因・顕在化プロセス・経済的帰結」『フィナンシャル・レビュー』令和8年第3号（通巻第164号），財務省財務総合政策研究所，4–29頁。 

・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: 

1. 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)

2. 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:

1.  "国家債務危機：発生要因・顕在化プロセス・経済的帰結", Japan Institute of Public Finance , Tokyo, Japan , Octorber 2026

Book:

1. Japanese economic outlook for 2013, Chapter 4, Mizuho Research Institute, Toyo Keizai Inc., 2012

COVID-19:

1.  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