Selected Publications

• Negative Effects of Intellectual Property Protection on Entry into Foreign Markets: Internal versus External Supply Decisions by Large Japanese and US Pharmaceutical Firms, International Economy, 27, 41-51, 2025. ( Data )
• How Are the Precedents of Trade Policy Rules Made under the World Trade Organization? Economics and Politics, 35, 806-821, 2023.
• Quality Sorting, Alchian-Allen Effect, and Distance, Economics Letters 222, 110924, 2023.(Data)(Data Description)
• Drinking, Texting, Aging, or Youth: Which Attribute Is the Riskiest for Driving? (with Toru Fujiwara), Applied Economics Letters 30, 239-243, 2023.
• The Price of Distance: Pricing to Market and Geographic Barriers (with Kano and Kano), Journal of Economic Geography 22, 873-899, 2022 (Supplementary Appendix)
• Making the World Safer: Autonomous Emergency Braking Systems Enhance Safety for Senior Drivers (with Toru Fujiwara), Applied Economics Letters 29, 1177-1181, 2022.
• Do Domestic Producers Benefit from Safeguards? The Case of a Japanese Safeguard on Chinese Vegetable Imports in 2001, Japan and the World Economy, 55, 1-10, 2020
• Exaggerated Death of Distance: Revisiting Distance Effects on Regional Price Dispersions (with Kano and Kano), Journal of International Economics 403-413, 90, 2013
• Understanding the Productivity Effect of M&A in Japan: An Empirical Analysis of the Electronics Industry from 1989 to 1998, Japan and the World Economy 25-26, 1-9, 2013
• Firm Organizational Heterogeneity and Market Structure: Evidence from the Japanese Pesticide Market (with Keisaku Higashida), International Journal of Industrial Organization 30, 193-203, 2012
• R&D Intensity and Domestic and Cross-Border M&A of Japanese Firms before Domestic M&A Deregulation, Japan and the World Economy 23, 112-118, 2011
• What is Driving the Manufacturing FDI Wave in Asia?, Review of Development Economics 15, 33-47, 2011
  
• Local Content Protection: Specific Factors for Intermediate Goods Production and Market Segmentation (with Kazuharu Kiyono), Japan and the World Economy 15, 69-87, 2003

Publications in Japanese

• The parent-subsidiary relationships and parent firms' stock options to subsidiary board members (in Japanese: 子会社役員等への親会社ストック・オプション付与と親子会社関係 (with Sumi and Takeguchi), JCER Economic Journal (日本経済研究) 67, 39-56, 2012

Discussion Papers

• "In Search of Synergy Effects: Mergers and Productivity" (with Yasuhiro Arikawa ), ICES(Institute of Comparative Economic Studies, Hosei Universiry) Working paper 2012
• "Daily Gravity" RIETI Discussion Paper 16-E-095, 2016
• "Climate Wars and Climate Talks: The Effect of the Carbon Border Adjustment Mechanism on Global Emissions and Trade" ICES(Institute of Comparative Economic Studies, Hosei Universiry) Working paper No. 217. 2024

Work in Progress

• "When parties accept the decision by international court."
• "Generalizable Precedents at the Appellate Body of the World Trade Organization"
• "The First Rule of Climate Club is: You Do Not Talk About Climate Club Without International Law"
• "The Effect of the (Non)Existence of Appeal Court"
• "The TRIPs Effect on Patents"
• "Biases in the Estimation of Distance Effect When Using Price Data"
• "On Mitigating Price Undertaking" (with Lester Kwong)
• "Price Effect of Intellectual Property Protection" (with Banri Ito)
• "Law of One Price Deviations and The Information on the Place of Origin"

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