Controversy surrounds the introduction of genetically modified foods. One key issue relates to tolerance levels-the impurity rate tolerated before a commodity must be labeled. Currently, the United States has not defined a tolerance level for genetically modified foods. This paper uses data from...

In most environments, information is critical to consumersï¾’ decision making. Consumers have prior beliefs about quality and price of goods and services and obtain new information which is used to update these prior beliefs or to form posterior beliefs, i.e., Bayesian learning. New food...

Huffman, Wallace E., Matthew Rousu, J.F. Shogren, and A. Tegene. "The Welfare of Implementing Mandatory GM Labeling in the United States," in R.E. Evenson and V. Santaniello, Eds., Consumer Acceptance of Biotechnology Foods, CAB International, forthcoming.

Controversy surrounds the introduction of genetically modified foods. One key issue relates to tolerance levels—the impurity rate tolerated before a commodity must be labeled. Currently, the United States has not defined a tolerance level for genetically modified foods. This paper uses data...