1. Associate Professor, University of Florida, Institute of Food and Agricultural Sciences, Southwest Research and Education Center, 2685 State Road 29 North, Immokalee, FL 34142, USA.
2. Graduate Student, University of Florida, Institute of Food and Agricultural Sciences, Food and Resource Economics Department, P.O. Box 110240, McCarty B 1109, Gainesville, FL 32611, USA.
3. Assistant Professor, University of Florida, Institute of Food and Agricultural Sciences, Food and Resource Economics Department, P.O. Box 110240, McCarty B 1109, Gainesville, FL 32611, USA.