Ryo Kato Web Page


Ryo Kato is Project Professor at Graduate School of Public Policy, Univerisity of Tokyo. 

Prior to the current position, Kato has been primarily specialized in macro-economic model building and engaged in wide-ranging policy work in Research and Statistics Department and Monetary Affairs Department of the Bank of Japan. Previously, Kato was working for International Monetary Fundís Strategy, Policy and Review Department, where he contributed to the fundís crisis management efforts. Kato was also a former member of the Macroeconomic Assessment Group (MAG), convened under the auspices of the Basel Committee on Banking Supervision (BCBS) and Financial Stability Board (FSB), with the aim of developing Basel 3.  

Kato was born in Mie Prefecture, Japan, in 1973. He graduated with a bachelor of economics degree from the University of Tokyo and, in 2002, earned a Ph.D. in economics from the Ohio State University.

Contact info at IDEAS



2019  Project Professor, Graduate school of public policy, University of Tokyo

2017-2018  Head of Global Economic Rserach Division, International Department, Bank of Japan

2009-2017  Senior Economist, Research and Statistics Department, IMES and Monetary Affairs Department in Bank of Japan

2006-2009, Economist, Policy Development and Review Department, International Monetary Fund

1996-2006, Economist, Bank of Japan

Ph.D. 2002, Economics, The Ohio State University 

B.A. 1996, Economics, University of Tokyo


2009-2012  Chief editor of Monetary and Economic Studies

2009-2010  Member of the Macroeconomic Assessment Group (MAG), Basel Committee on Banking Supervision and the Financial Stability Board


Journal publications:

"Prudential Capital Controls or Bailouts?: The Impact of Different Collateral Constraint Assumptions," (with Mitsuru Katagiri and Takayuki Tsuruga) Economic Theory 63, 2017, pp.943-960.

"The Safer, The Riskier: A Model of Bank Leverage and Financial Instability," (with Takayuki Tsuruga) Economic Modelling 52 Part A, 2016, pp.71-77.

"The Role of Uncertainty in the Term Structure of Interest Rates: A GARCH-ATSM Approach," (with Junko Koeda) Applied Economics 47, 2015, pp.3710-3722.

"On the Concavity of the Consumption Function with a Quadratic Utility under Liquidity Constraints," (with Shin-Ichi Nishiyama) Theoretical Economics Letters 2, 2012, pp.361-364.

"A Note on Pitfalls of Credit Crunch Regression," Economics Letters 99, 2008, pp.504-507.

"Liquidity, Infinite Horizons and Macroeconomic Fluctuations," European Economic Review 50, 2007, pp. 1105-1130.

 "Optimal Monetary Policy When Interest Rates are Bounded at Zero," (with Shin-Ichi Nishiyama) Journal of Economic Dynamics and Control 29. 2005. pp. 97-133.

Working papers, policy papers and other publications:

"Bank Overleverage and Macroeconomic Fragility," (with Takayuki Tsuruga) IMES Discussion Paper 11-E-15, 2011. (Presented at Yale Conference at Macro and Finance)

"Rising Skill Premium?: The Roles of Capital-Skill Complementarity and Sectoral Shifts in a Two-Sector Economy," (with Naoko Hara and Munechika Katayama ) Bank of Japan Working Paper 2014-E-9.

"Calibrating the Level of Capital: The Way We See It," (with Shun Kobayashi and Yumi Saita ) Journal of Mathematics and System Science 1, 2011.

Contributions to policy papers on the Basel III published by the Basel Committee on Banking Supervision and the Financial Stability Board:

 "An Assessment of the Long-term Economic Impact of Stronger Capital and Liquidity Requirements," Basel Committee on Banking Supervision, August 2010. 

 "Assessing the Macroeconomic Impact of the Transition to Stronger Capital and Liquidity Requirements," Basel Committee on Banking Supervision and Financial Stability Board, August 2010


"Lectures on Modern Macroeconomics: Introduction to DSGE Models," Book in Japanese [ISBN-10: 4492313702] Chuo-ku Tokyo, Toyo Keizai Inc., 2007.

Disclaimer: This is Ryo Kato's personal web site. The views expressed in the papers are not those of the Bank of Japan, IMF or other institutions, but of authors