B / RESEARCH

Published/Accepted Papers

Using Managers' Expectations for Ex-ante Policy Evaluation: Evidence from the COVID-19 Crisis

(joint with Naomi Kodama, Hiroshi Kumanomido, and Mari Tanaka)

Journal of Economics and Management Strategy, 32(4), 2023, link to the paper.

Displacement Effects of Public Libraries

(joint with Kyogo Kanazawa)

Journal of the Japanese and International Economies, 66, December 2022, link to the paper, working paper.

Small Business under the COVID-19 Crisis: Expected Short- and Medium-Run Effects of Anti-Contagion and Economic Policies

(joint with Naomi Kodama and Mari Tanaka)

Journal of the Japanese and International Economies, 61, September 2021, link to the paper, working paper, replication code & data.

Designing Context-Based Marketing: Product Recommendations under Time Pressure

(joint with Kosuke Uetake and Yasutora Watanabe)

Management Science, 67(9), September 2021, link to the paper.

When Will Workers Follow an Algorithm?: A Field Experiment with a Retail Business

Management Science, 67(3), March 2021, link to the paper, working paper.

Effectiveness of Product Recommendation under Time and Crowd Pressures

(joint with Kosuke Uetake and Yasutora Watanabe)

Marketing Science, 38 (2), March-April 2019, link to the paper, working paper.

Testing Rationality without Restricting Heterogeneity

Journal of Econometrics, 197 (1), pp. 153-171, March 2017, link to the paper.

Working Papers

Competitive Effects of Resale Price Maintenance Through Inventory: Evidence from the Publishing Industry

(joint with Jeff Qiu and Yi Zhang)

Last update: Aug 31, 2025, working paper, revision requested by RAND Journal of Economics

Complementary paper studying the simplified analytical model

Toxicity-Competitiveness Trade-off in Concentrated Liquidity Provision at a Decentralized Exchange

(joint with Jun Aoyagi, Wang-Hei Ip, and Shinya Tsuchida)

Last update: Aug 31, 2025, working paper.

Why Default Nudges Work: Identifying Cognitive Mechanisms with fMRI

(joint with Junichi Chikazoe, Kanji Suzuki, Kosuke Uetake, Yasutora Watanabe, and Katsunori Yamada)

Last update: Aug 31, 2025, working paper.

Measuring Recruitment Elasticity in the Multi-stage Job Matching Process

(joint with Ryo Kambayashi and Suguru Otani)

Last update: Aug 20, 2025, working paper.

Miners' Reward Elasticity and Stability of Competing Proof-of-Work Cryptocurrencies

(joint with Junpei Komiyama and Shunya Noda)

Last update: August 2025, working paper, replication data & code, revision requested by International Economic Review.

Employer's Unilateral Settlement of Dismissal Disputes

(joint with Daisuke Adachi and Ryo Kambayashi)

Last update: June 24, 2025, working paper.

Consumer Responses to Favorite Product Removal: Evidence from Beverage Vending Machines

(joint with Andrew Ching, Jia Liu, Zhang Yi)

Last update: June 19, 2025, working paper.

Segmenting Consumer Location-Product Preferences for Assortment Localization

(joint with Jia Liu and Tao Li)

Last update: May 28, 2025, working paper, revision requested by Marketing Science.

Estimating the Value of Retargeting in the Online Advertising Auctions

(joint with Yuhan Fang)

Last update: April 22, 2025, working paper.

An Empirical Model of Mobile App Competition: The Role of the Revenue-Source Channel

(joint with Susumu Sato and Toshifumi Kuroda)

Last update: June 17, 2024, working paper.

Consumer Perceptions and Willingness to Adopt rCBDCs Before and After the e-HKD Pilot

(joint with Marc Dordal i Carreras, Siyuan Jin, and Haicheng Guo)

ACM Distributed Ledger Technologies: Research and Practice, July 29, 2025, link to the paper.

Formerly circulated as working paper, link to the summary cited by the Hong Kong Monetary Authority's report.

Relevant Markets and Market Power of Mobile Apps (English)

(joint with Toshifumi Kuroda and Susumu Sato)

Japan and the World Economy, August 6, 2023, link to the paper.

Relevant Markets and Market Power of Mobile Apps (Japanese)

(joint with Toshifumi Kuroda and Susumu Sato)

Japan Fair Trade Commission, CPRC Discussion Paper, May 21, 2022, link to the paper.

Policy Papers

Shirking Papers

Estimating High-Dimensional Discrete Choice Model of Differentiated Products with Random Coefficients

(joint with Masayuki Sawada)

Last update: April 21, 2020, working paper.

Does TB Vaccination Reduce COVID-19 Infection?: No Evidence from a Regression Discontinuity Analysis

(joint with Masao Fukui and Hiroaki Matsuura)

Last update: April 9, 2020 working paper, replication data & code.

Books

The Econometrician's Guide to Causal Inference (in Japanese)

(joint with Masayuki Sawada)

Last update: Sep 19, 2024, amazon.co.jp.

Working in Progress

Measuring Inefficiency of Patent Overlaps: The Case of 3D Printers

(joint with Makoto Kadowaki).

Platform Competition of Temporary Help Agencies

(joint with Daiji Kawaguchi and Makoto Watanabe).

Oligopoly Non-linear Pricing and Bundling: A Structural Analysis

(joint with Takanori Ida, Toshifumi Kuroda, and Susumu Sato).