Articles in Refereed Journals (in English)
Exclusive Territories in the Presence of Upstream Competition, Economics Bulletin, Vol. 4, No. 26, pp. 1-6, 2006. (co-authored with Takeshi Ikeda)
Articles in Refereed Journals (in Japanese)
Nihon no Shinbun-Sangyo ni Okeru Shijyou-Shiea no Bunseki (The Analysis of Market Share in the Japanese Newspaper Industry: From the View Point of Product Differentiation), Keizaigaku Zasshi, Vol. 112, No. 1, pp. 48-53, 2011.
Shijyou-Kan no Hiyou-kakusa wo tomonau Fukusen ni okeru Touitsu-kakaku-kisei no Bunseki: Nihon no Shinbun-Sangyo wo Reito Shite (Uniform Pricing Regulation in a Duopoly with Cost Asymmetry Among Markets: A Study of the Japanese Newspaper Industry), Ryutu Kenkyu (Journal of marketing and distribution), Vol. 12, No. 3, pp. 13-24, 2009.
Articles in Non-Refereed Journals (in Japanese)
Suichokuteki-Kankei wo tomonau Daisanshu-Kakakusabetsu no Bunseki (Third-Degree Price Discrimination with Vertical Relationship), Osaka Shidai Ronshu, No. 121, pp. 25-39, 2008.
Working papers
Uniform Pricing Regulation in the Japanese Newspaper Industry, September 2010.
The Economic Theory of Quasi-Exclusive Territory, Industrial Organization 0508002, EconWPA, 2005. (co-authored with Takeshi Ikeda)
Presentation in Conferences and Seminars and Presentation as Discussant
Japan Economic Association, Spring Meeting, Toyama University, June 22, 2013, Comments on "The more firms, the more insufficient entry" by Takeshi Ikeda.
Competition Policy Research Center, Japan Fare Trade Commission, Informal Workshop, March 11, 2011, Uniform Pricing Regulation in the Japanese Newspaper industry.
Japan Economic Association, Autumn Meeting, Kinki University, September 14, 2008, Fukusen ni okeru Daisanshu-kakaku-Sabetsu no Bunseki: Hitaishou-teki na Hiyou-Kansu no kesu (Third-Degree Pride Discrimination in Duopoly: A Case of Asymmetric Cost Function), Poster (in Japanese).