Julie A. Caswell
University of Massachusetts at Amherst

GMO labeling policy for foods is under intense development. Countries are choosing mandatory labeling or adherence to voluntary labeling. Challenges to mandatory labeling are unlikely to be successful under current World Trade Organization (WTO) rules. Marketers and trade negotiators should recognize this and move toward living with diversity in labeling policy.

Keywords: GMOs; biotechnology; labeling policy; trade disputes.