Download or read book International conference on impacts of agricultural research and development: why has impact assessment research not made more of a difference? written by David J. Watson and published by CIMMYT. This book was released on with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a conference by the Standing Panel on Impact Assessment (SPIA) of the Interim Science Council, Consultative Group on International Agricultural Research (CGIAR) and the Economics Program, the International Maize and Wheat Improvement Center (CIMMYT), 4-7 February 2002, San José, Costa Rica.