Research Interests
Preferential Trade Agreements and Multilateral Trade Liberalization, Multinational Enterprises and Foreign Direct Investment,
 
Research/Publications
[English Articles]
1. “On the Optimal External Tariff of a Free Trade Area with Internal Market Integration”, Japan and the World Economy, Vol.16(4), pp.431-448, December 2004.*

2. “Multilateralism and Hub-and-Spoke Bilateralism”(co-authored with Kentaro Tachi), Review of International Economics, Vol.14(4), pp.658-674, September 2006. *

3. “Economic Integration and Rules of Origin under International Oligopoly”(co-authored with Jota Ishikawa and Yoshihiro Mizoguchi), International Economic Review, Vol.48(1), pp. 185-210, February 2007 *

4. “Effects of Multilateral Trade Liberalization on Prices” (co-authored with Jota Ishikawa), Review of International Economiocs, Vol. 16(1), pp.37-44, February 2008. *

5. “Spillover effects of Economic Integration in a three-country model” (co-authored with Jota Ishikawa), Japanese Economic Review, forthcoming. *

[Japanese Articles]
1. “Nihon no Chiiki-betsu Yushutsu-Nyu Kansu no Suikei (The Estimation of Japanese Export and Import Functions by Regions)”, In Kazuyuki Matsumoto (Ed.), Keizai Seicho To Kokusai Shushi (Economic Growth and Balance of Payments), Ch.3, pp.63-85, Nippon-Hyoron-Sha, September 2003.

2. “Discriminatory Tariff Reduction and Reciprocal Antidumping under International Oligopoly”, The Journal of Social Science (Institute of Social Science, University of Tokyo), Vol.56(3-4), pp.147-163, March 2005.
 
*Refereed article
 
[Working Papers]
1. “Spillover effects of trade policy in the presence of a third country” (co-authored with Jota Ishikawa), COE/RES Discussion Paper #19, Hitotsubashi University, February 2004.

2. “Comparing Alternative Paths to Free Trade under Endogenous Political Pressures”, GEM Discussion Paper Series #04-3, Gakushuin University, March 2005.
 
Other Activities
[Academic Association]
Japanese Economic Association, The Japan Society of International Economics, International Economics and Finance Society Japan
 
[Awards]
2001 Kanematsu Fellowship (Research Institute for Economics and Business Administration, Kobe University), for the paper, “Multilateralism and hub-and-spoke bilateralism”(joint with Kentaro Tachi),