As in many papers about food security, for the present purpose we focus on the implications of agricultural R&D for “abundance” of food and “access” to it (i.e., poverty) as elements of food security (i.e., effects of agricultural R&D productivity, production, and price of food; and thus on real incomes of farmers and consumers). In addressing agricultural R&D policy as an element of long-term global and national productivity policy, consideration is given to research priority setting and the evaluation of agricultural science policy and outcomes.

Read full PDF article here: Agricultural R&D, Technological Change, and Food Security by Julian M. Alston at the International Association of Agricultural Economists Workshop on Food Security, Berlin, August, 2000. Also available in pdf format are slides from his presentation.