The following article is a presentation for the conference.

“Are Rent-Seeking Contests Harmful to Economic Growth?”( with Jun-ichi Itaya )

Japanese Economic Association, Tokyo, Japan, October 2009.

“Immigration Conflicts” ( with Laxiun Zhao )

The 65th Congress of the International Institute of Public Finance, Cape Town, South Africa, August 2009.

15th World Congress of the International Economic Association, Istanbul, Turkey, June 2008.

Latin America Meeting of Econometric Society Rio de Janeiro, Brazil, November 2008.

Winter Institutes 2009, Japan, February 2009.

Japanese Economic Association, Kyoto, Japan, June 2009.

“ A Variety Expansion Model of Growth with Rent Seeking Activities”( with Zhiwei Cen )

European Meeting of Econometric Society, Budapest, Hungary, August 2007.

Far Eastern Meeting of Econometric Society, Taipei, Taiwan, July 2007.

Public Economic Theory, Hanoi, Vietnam, August, 2006.

Japanese Economic Association, Kyoto, Japan, June 2005.

“Labor Mobility and Economic Growth” ( with Atue Mizushima )

Japanese Economic Association, Osaka, Japan, October 2006.

“Industrial Transformation in an Endogenous Growth Model”

European Meeting of Econometric Society, Wien, Austria, August 2006.

Spring 2004 Midwest Economic Theory & International Trade Conference, Indianapolis, United States, May 2004.
( Previous Title: Changes in the Industrial Structure in an Endogenous Growth Model )

“A Variety Expansion Model of Growth with External Habit Formation” ( with Kazuo Mino )

Symposium on mathematical economics.

9 th Econometric Society World Congress, London, UK, August 2005.

Japanese Economic Association, Kyoto, Japan, June 2005.

Spring 2005 Midwest Economic Theory & International Trade Conference, Nashville, United States, April 2005.

“Market Structure and Trade Pattern in an Innovation-Imitation Model”
　　　( with Kazuhiro Yamamoto and Takashi Shibata )

International and Trade Factor Mobility, Osaka, Japan, July 2003.

“Labor and Capital Augmenting Technological Change in a Two-Sector Endogenous Growth Model”

Japanese Economic Association, Hiroshima, Japan, May 2002.

“Keizaiseichou ni tomonau Juyokozo no henkato sanngyo no kotai”( in Japanese )

Japanese Economic Association, Tokyo, Japan, October 2001.

“Shouhino kouzo to Keizai Seicho”( Consumption Structure and Economic Growth in Japanese )

Japanese Economic Association, Tokyo, Japan, October 1999.

The following article is a presentation for my seminar.

“A Variety Expansion Model of Growth with Rent Seeking Activities”( with Zhiwei Cen )

Rokko Forum, Kobe University, Kobe, Japan, July 2007.

Seminar Mathematical Methods of Economics, Keio University, Tokyo, Japan, December 2006.

“A Variety Expansion Model of Growth with Habit Formation”( with Kazuo Mino )

Chukyo Seminar, Chukyo University, Nagoya, Aichi, Japan, February 2006.