• Development economics
• Agricultural economics
• International economics
• Chinese economic development and reforms
  

• Total factor productivity and China’s rural institutional changes
• Causes of the Great Leap Famine in China
• Land tenure system in China
• Economic geographical approach to the Needham Puzzle
• Urbanization and migration in China
• Globalization of Chinese economy
  

Books:

• Wen, J.G., M. Hua, W. Li, and Y. Zhang. Institutional Change and Long-term Economic Development: A Comparative Historical Analysis on the  Differences in Market Expansion and Economic Dynamic Development between the Pre-modern Europe and China. Shanghai: Fudan University Press, June 2006.
• Wen, J.G., D. Lu, and H. Zhou, eds. China’s Economic Globalization through the WTO. England, Aldershot, Hants: Ashgate Publishing Limited, May 2003.
• Wen, J.G., S. Wei, and H. Zhou, eds. The Globalization of the Chinese Economy. England, London: Edward Elgar Publishing Limited, Nov. 2002.
• Wen, J.G., Z. Zheng, X. Wang, and X. Zuo, eds. WTO and China: Developing through Globalization.China,  Beijing: The People’s University Press, September, 2001.
• Wen, J.G., and D. Xu, eds. The Reformability of China's State Sector (In English). Singapore: The World Scientific Publishing Company, March, 1997.
  
  

Journal Articles:

• Wen, J.G. “China’s Territory Changes and its Impulse to Leave
• One year research grant, Trinity College, 2005-2006
• Honorary member of the Chinese Economists Society, 1996- 1997
• grarian Society: An Economic Geographical  Approach to Needham Puzzle.” China Economic Quarterly, Peking University 4, 2 (2005): 519-540.
• Wen, J.G., and A. Y. Zhao. “Land Holding and Social Security in Rural China.” Homo Oeconomicus, (Oct. 1999): 157-176. [Revised and reprinted in J. Yin, S. Lin and D. Gates]
• Wen, J.G., and G. Chang. The Communal Duality: Agricultural Subsidies from TVEs. Contemporary Economic Policy 17, 1 (Jan.1999): 79-86.
• Wen, J.G. “Food Availability Versus Consumption Efficiency: Causes of the Chinese Famine.” China Economic Review Special Issue 9, 2 (1998): 157-165.
• Wen, J.G., and G. Chang. "Communal Dining and the Causation of the Chinese Famine of 1958 1961." A lead article, Economic Development and Cultural Change, (October, 1997): 1-34.
• Wen, J.G. "Total Factor Productivity Change in China's Farming Sector: 1952 89." A lead article,Economic Development and Cultural Change, (October 1993) 1-41.
  

• One year research grant, Trinity College, 2005-2006
• Honorary member of the Chinese Economists Society, 1996- 1997