The present collection of studies brought together in this volume is rather unique. The Centre has engaged for some time in identifying competitive advantage and comparative advantage among CGPRT Crops. Usually such studies have been done at national and aggregate level. In the present studies, implemented by Dr. Pattana A. Jierwiriyapant from Chiang Mai University of Thailand, Dr. Hermanto, Mr. Armen Zulham, and Ms. Suhartini from the Centre for Agro-Socioeconomic Research (CASER) in Bogor, Indonesia, attention is given to local developments affecting soybean production including an assessment of impact of government policies.