Thirtle, Colin G.; Lin, Lin; Piesse, Jenifer - International Association of Agricultural Economists - IAAE - 2003
Twenty percent of the world population, or 1.2 billion live on less than $1 per day; 70% of these are rural and 90% in Asia and Sub-Saharan Africa. Research led technological change in agriculture generates sufficient productivity growth to give high rates of return in African and Asia and has a...