Rob Vos, IFPRI
Food supply systems have changed dramatically over the past half century, with enormous advancements in distribution systems, processing technologies, and delivery of services. As systems once based entirely on agriculture become steadily more industrialized, diets have changed. People are eating more and more processed foods and are more likely to use food services outside of their homes. This is increasingly the case in developing countries. These trends are responses to changing food demand and also drivers of that demand, including the rise of a global middle class and rapid urbanization.
