Professor
Faculty of Business and Commerce, Keio University
Fields: Empirical Industrial Organization, Applied Microeconomics
Excess Capacity and Effectiveness of Policy Interventions: Evidence from the Cement Industry (with Tetsuji Okazaki and Ken Onishi)
International Economic Review, Vol. 63, Issue 2, May 2022, pp.883-915.
Link to the published and some older versions: Journal Website | CIRJE DP (2021) | CIGS WP (2018) | RIETI DP (2018)
Competition-Driven Physician-Induced Demand (with Kei Ikegami and Ken Onishi)
Journal of Health Economics, Vol. 79, September 2021, 102488.
Link to the published and some older versions: Journal Website | CREPE DP (2020) | CIRJE DP (2020)
Why Do Shoppers Use Cash? Evidence from Shopping Diary Data (with Angelika Welte)
Journal of Money, Credit and Banking, Vol. 49, No. 1, February 2017, pp. 115-169.
Link to the published and some older versions: Journal Website | SFB/TR-15 DP (2013) | BoC WP (2012)
Preference or Technology? Evidence from the Automobile Industry (with Sunbin Yoo and Yoshikuni Yoshida)
Transportation Research Part D: Transport and Environment, Vol. 96, July 2021, 102846.
Link to the published version: Journal Website
Revisiting Jevons's Paradox of Energy Rebound: Policy Implications and Empirical Evidence in Consumer-Oriented Financial Incentives from the Japanese Automobile Market, 2006–2016 (with Sunbin Yoo, Kyung Woong Koh, and Yoshikuni Yoshida)
Energy Policy, Vol. 133, October 2019, 110923.
Link to the published version: Journal Website
Robustness of Production Networks Against Economic Disasters: Thailand Case (with Hiroyuki Nakata and Yasuyuki Sawada)
in V. Anbumozhi, F. Kimura, and S. Thangavelu S. (Eds.), "Supply Chain Resilience," Springer: Singapore, May 2020, pp. 139-161.
Link to the published version: Publisher Website
New Technology Diffusion: Implications for Monopsony Power, Markups, and Labor Share
Previously circulated as "The Decline of Labor Share and New Technology Diffusion: Implications for Markups and Monopsony Power"
(with Shoki Kusaka, Tetsuji Okazaki and Ken Onishi)
Link to an updated version and an old version: RIETI DP(2023) | CIRJE DP (2022)
Revision Requested, Review of Economic Studies.
Endogenous Joint Venture Formation in Procurement Auctions
(with Kei Ikegami and Ken Onishi)
Link to an updated version: Mimeo (2023)
Compatible Mergers: Assets, Service Areas, and Market Power
(with Tetsuji Okazaki and Ken Onishi)
Link to some versions: CREPE DP (2020) | CIRJE DP (2019)
Firm Growth and Financial Constraints: Evidence from a Policy-Based Loan Program
(Previously circulated under the title of "Firm Growth, Financial Constraints, and Policy-Based Finance")
(with Tim E. Dore, Tetsuji Okazaki, and Ken Onishi)
Link to some versions: CREPE DP (2021) | RIETI DP (2020)
Small Business Economics (forthcoming).
Identifying the Degree of Collusion under Proportional Reduction
(with Oleksandr Shcherbakov)
Link to some versions: BoC WP (2017) | SFB DP (2015)
The Welfare Consequences of Free Entry in Vertical Relationships: The Case of the MRI Market
(with Ken Onishi, Chiyo Hashimoto and Shun-ichiro Bessho)
Link to some versions: Current Version (2021) | CIRJE DP (2016)
Portfolio Considerations in Differentiated Product Purchases: An Application to the Japanese Automobile Market
Link to some versions: SFB DP (2015) | BoC WP (2011)
How Would Hedge Fund Regulation Affect Investor Behavior? Implications for Systemic Risk
(with Naoaki Minamihashi)
Link to some versions: SFB DP (2014)
Measurement Errors in Choice Sets
(with Takuya Ura)
mimeo