REFERENCES Brooke, D. L. "Costs and Returns from Vegetable Crops in Florida", Food and Resource Economics Department, University of Florida, 1965 through 1976 seasons. Brooker, John R. and James Pearson. The Winter Fresh Tomato Industry - A Systems Analysis, ERS, USDA, Agricultural Economic Report No. 330, April 1976. Hammig, Michael. "Regional Acreage Response by Quarter for Fresh Tomatoes," Contributed paper to the Southern Agricultural Economics Association Meeting, February 1979. Jesse, E. V. and M. Machdo. Trends in Production and Marketing of California Fresh Tomatoes, Division of Agricultural Sciences Bulletin No. 1871, University of Calffornia, 1975. Just, Richard. "An Investigation of the Importance of Risk in Farmers' Decisions," American Journal of Agricultural Economics, February 1974. Lin, W. "Measuring Aggregate Supply Response under Instability", American Journal of Agricultural Economics, December 1977. Meyers, Glenn D. "Centralized Planning of Mexican Winter Vegetable Exports and its Impact on the U.S. Market and the Florida Industry", Unpublished Report, June 1978. Sirmmons, Richard L., et al., Mexican Competition for the U.S. Fresh Winter Vegetable Market, ERS, USDA, Agricultural Economic Report No. 348, Augus.t 1976.