Publications (written in English)

• "Margins, Concentration, and the Performance of Firms in International Trade: Evidence from Japanese Customs Data." Journal of the Japanese and International Economies, forthcoming (joint with Keiko Ito, Naoto Jinji, Toshiyuki Matsuura, and Toshihiro Okubo, and Akira Sasahara).

• "The Effect of Regional Import Shocks on Job Flows in Japanese Manufacturing Establishments." Journal of the Japanese and International Economies, October 2024, 101337.

• "The China Shock and Job Reallocation in Japan." Journal of the Japanese and International Economies, 68: 101257, 2023.

• "The Impact of Firms’ International Trade on Domestic Suppliers: The Case of Japan." Journal of the Japanese and International Economies, 63: 101188, 2022.

• "The Effect of Import Competition on Labor Income Inequality Through Firm and Worker Heterogeneity in the Japanese Manufacturing Sector." Japan and the World Economy, 59:101076, 2021.

• "Offshoring and Working Hours Adjustments in a Within-firm Labor Market." Journal of the Japanese and International Economies, 60: 101132, 2021.

• "The Effect of Import Competition on Wages in the Japanese Manufacturing Sector." Asian Economic Papers, 17(1): 46–67, 2018.

• "Can a Regional Trade Agreement Benefit a Nonmember Country without Compensating It?" Review of International Economics, 21(5): 912–922, 2013. (joint with Koichi Hamada and Koji Shimomura)

• "The Effect of Intermediate and Final Goods Trade on Labor Demand in Japanese Firms." In: Globalism and Regional Economy, edited by Susumu Egashira, 19–37, Taylor and Francis, 2013. (joint with Sachiko Kazekami)

• "Cross-Border Political Donations and Pareto-Efficient Tariffs." Journal of International Trade and Economic Development, 21(4): 493–512, 2012.

• "A Free Trade Area and its Neighbor’s Welfare: A Revealed Preference Approach." In: Globalization and Emerging Issues in Trade Theory and Policy, edited by Binh Tran-Nam, Ngo Van Long, and Makoto Tawada, 87–99, Emerald Group Publishing, 2008. (joint with Koichi Hamada and Koji Shimomura)

• "Quality of Governance and the Formation of Preferential Trade Agreements." Review of International Economics, 14(5): 758–772, 2006.

• "Characteristics of Commodities and International Trade: Two Hypotheses." Keio Business Review, 43: 23–41, 2006.

• "On the Conditions that Preclude the Existence of the Lerner Paradox and the Metzler Paradox." Keio Economic Studies, 42(1/2): 39–50, 2005. (joint with Koichi Hamada)

• "The Effects of the GSTP on Trade Flow: Mission Accomplished?" Applied Economics, 37(5): 487–496, 2005.

• "Country Size, Geographical Closeness and the Choice of Partner Countries in Forming Preferential Trade Agreements." Keio Business Review, 41: 1–12, 2003.

• "The Transition of Postwar Asia-Pacific Trade Relations." Journal of Asian Economics, 10(4): 571–589, 1999.

• "Trade Creation and Trade Diversion in the EEC, the LAFTA and the CMEA: 1960-1994." Applied Economics, 31(2): 207–216, 1999.

Books (written in Japanese)

Teaching

• International Economics

• Advanced Study of International Economy

• Seminar: International Economics

• Applied Economics Workshop

• Hokkaido's Economy

• Others

Hokkaido's Economy

Under construction.