World markets for a number of grains (soybeans, corn, canola and cottonseed) have become differentiated into GM,certified non-GM and organic segments, which has created opportunities and challenges for grain market participants.This paper summarises the evidence to date on the extent of price...

World markets for a number of grains (soybeans, corn, canola and cottonseed) have become differentiated into GM, certified non-GM and organic segments, which has created opportunities and challenges for grain market participants. This paper summarises the evidence to date on the extent of price...