Position Associate Professor
Degree Ph.D. in Economics, University of California, Los Angeles (UCLA)
M.B.A., HEC School of Management
B.A. Law, University of Tokyo
Specialty Macroeconomics
Current Research Interests Search and Matching Models of the Labor Market
Theoretical Analyses of Currency Crises
Dynamic Contracts
  • Professional Career

Various Positions, Ministry of Finance and Ministry of Foreign Affairs, April 1997-June 2003

Assistant Professor, University of Tokyo, April 2008 

Associate Professor, GRIPS, September 2014-Present


  • Selected publications

“Time Consistency and Counterproductive Monetary Policy Cooperation in a Two-Country New Keynesian Model” (with Thang Ngoc Doan), Journal of Money, Credit and Banking, forthcoming.

“Optimal Self-financing Microfinance Contracts when Borrowers Have Risk Aversion and Limited Commitment” (with Junsang Lee), Journal of Mathematical Economics (2020), 91, 60-79.

“Non-regular Employment over the Life-cycle: Worker Flow Analysis for Japan” (with Julen Esteban-Pretel), Journal of the Japanese and International Economies (2020), 57, 101088.

“The Value of Uncertainty under Limited Commitment”, Macroeconomic Dynamics (2015), 19(8), 1715-1748.

“Speculative Attacks with Multiple Targets,” Economic Theory (2014), 57(1), 89-132.

“Life-cycle Labor Search with Stochastic Match Quality” (with Julen Esteban-Pretel), International Economic Review (2014), 55(2), 575-599.

“Life-cycle Search, Match Quality and Japan’s Labor Market” (with Julen Esteban-Pretel), Journal of the Japanese and the International Economies (2012), 26(3), 326-350.


  • Social contributions

Awards and Honors

JSPS Grant in Aid for Scientific Research (Kakenhi), 2008-2009, 2011-Present

Nomura Foundation Social Sciences Grant, 2018-2019

Grant in Aid, Zengin Foundation for Studies on Economics and Finance, 2010-2011

Japan Economics Research Foundation Grant, 2010-2011

Japan Securities Scholarship Foundation Grant, 2008-2010

Seimeikai Foundation Research Grant, 2008-2009


Referee Experiences

Journal of Economic Theory, Journal of the European Economic Association, American Economic Journal: Macroeconomics, Journal of Development Economics, Journal of Economic Dynamics and Control, Japan and the World Economy, Journal of the Japanese and International Economies


  • Link



  • E-mail


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7-22-1 Roppongi, Minato-ku, Tokyo 106-8677

TEL : +81-(0)3-6439-6000     FAX : +81-(0)3-6439-6010


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