Wallace E. Huffman
Iowa State University
Jill J. McCluskey
Washington State University

This article discusses GM food-labeling policy options and evaluates the factors that impact the outcomes that correspond with each option. Costs and benefits associated with each policy option are also examined. These factors are used to explain some of the current differences in GM policies globally. Empirical evidence of the impacts of GM food labels is briefly discussed.

Key words: Biotechnology, economics, food, GMOs, labels.