University of Florida

Thomas H. Spreen

Emeritus: Professor

Expertise

Marketing and trade of horticultural products

Current Projects

Economic impact of disease on world citrus production

Extension Activities

Marketing and trade issues related to citrus production in Florida

International Experience

Research related to citrus and sugarcane production in Veracruz, Mexico. Study of the citrus industries of Brazil, Cuba, and Belize. Analysis of the world banana market

Selected Publications

Publications and Presentation
Thomas H. Spreen

Books, Author or Co-Author

  • Roy, Michel, Chris O. Andrew, and Thomas H. Spreen. Persian Limes in North America: An Economic Analysis of the Production and Marketing Channels. Lake Alfred, FL: Florida Science Source, Inc., 1996, 146pp.
  • Mondragon, Juan Pablo, Thomas H. Spreen, Chris O. Andrew, and Ronald P. Muraro. Oranges of Eastern Mexico: An Economic Analysis of Production and Marketing Channels. Lake Alfred, FL: Florida Science Source, Inc., 1998, 129pp.
  • Garcia-Chavez, Luis Ramiro, Gretchen Greene, Thomas H. Spreen, Daisuke Sano, and Chris O. Andrew. Transitions in the Mexican Sugar Industry: An Analysis of the Production and Marketing Channels. Longboat Key, FL: Florida Science Source, Inc., 2004.

Books, Editor

  • Spreen, Thomas H. and David H. Laughlin (eds.) Simulation of Beef Cattle Production Systems and Its Use in Economic Analysis. Boulder: Westview Press, 1986, 269 pp.
  • Schmitz, Andrew, Thomas H. Spreen, William A. Messina, Jr., and Charles B. Moss (eds.) Sugar and Related Sweetener Markets: International Perspectives. Wallingford, UK: CAB International, 2002, 398pp.

Chapters in Books

  • Spreen, Thomas H. "An Intertemporal Approach to Agricultural Labor Markets." in Seasonal Agricultural Labor Markets in the United States. Robert D. Emerson (ed.) Ames: Iowa State Press, 1984, pp 230-49.
  • Denham, S.C. and T.H. Spreen. "An Introduction to Simulation of Beef Cattle Production." in Simulation of Beef Cattle Production Systems and Its Use in Economic Analysis. T.H. Spreen and D.H. Laughlin (eds.) Boulder: Westview Press, 1986, pp 39-62.
  • Alvarez, Jose, Gary D. Lynne, Thomas H. Spreen, and Robert A. Solove. "The Economic Importance of the EAA and Water Quality Management." in Everglades Agricultural Area (EAA): Water, Soil, Crop, and Environmental Management. A.B. Bottcher and F.T. Izuno (eds.) Gainesville: University Press of Florida, 1994, pp. 194-223.
  • Deepak, M.S., Thomas H. Spreen, and John J. VanSickle. "Environmental Externalities and International Trade: The Case of Methyl Bromide." in Environmental Regulation and Technology Adoption in Agriculture. Frank Casey, Scott Swinton, and Andrew Schmitz (eds.) Norwell, MA: Kluwer Academic Publishers, 1999, pp. 139-56.
  • Spreen, Thomas H., John J. VanSickle, and Charlene Brewster. "Trade Distortions in a Free Trade Zone: The Case of Sanitary and Phytosanitary Barriers." in Trade Liberalization and Globalization of World Agricultural Markets. Charles B. Moss, Gordon Rausser, Andrew Schmitz, Timothy Taylor, and David Zilberman (eds.) Norwell MA: Kluwer Academic Publishers, 2001, pp. 253-68.
  • Garcia-Chavas, Luis R., Thomas H. Spreen, and Gretchen Greene. “Structural Reform and Implications for Mexican Sweetener Markets.” in Sugar and Related Sweetener Markets: International Perspectives. Andrew Schmitz, Thomas H. Spreen, William A. Messina, Jr., and Charles B. Moss (eds.) Wallingford, UK: CAB International, 2002, pp 81-100.
  • Spreen, Thomas H., and Michel Paggi. “Overview of the World Banana Market.” in Banana Wars: The Anatomy of a Trade Dispute. T.E. Josling and T.G. Taylor (eds.) Wallingford, UK: CAB International, 2003, pp 10-25.
  • Moss, Charles B., Andrew Schmitz, Thomas Spreen, and David Orden, “Mexico’s Antidumping Regime Against High Fructose Corn Syrup from the United States,” in Agricultural Trade Disputes: Case Studies in North America. Andrew Schmitz, Charles B. Moss, Troy G. Schmitz, and Won Koo (eds.) Calgary, Canada: University of Calgary Press, 2005, pp. 207-23.
  • Spreen, Thomas H., Arturo Bocardo, and Ronald P. Muraro. “Production Trends around the World: Mexico.” in Fresh Citrus Fruits, 2nd Edition. Wilfred F. Wardowski, William M. Miller, David J. Hall and William Grierson (eds.) Longboat Key, FL: Florida Science Source, 2006, pp. 135-42.

Refereed Journal Articles

  • Nelson, Glenn L., and Thomas H. Spreen. "Monthly Steer and Heifer Supply." American Journal of Agricultural Economics 60 (1978): 117-125.
  • White, T. Kelly, B.A. McCarl, R.D. May and T.H. Spreen. "A Systems Model of the Guyanese Livestock Industry." Agricultural Systems 3:(1978): 47-66.
  • Prevatt, J. Walter, Bryan E. Melton, Thomas H. Spreen and W. Kary Mathis. "The Economics of Carcass Beef Production: An Appraisal of Florida\'s Feedlot Potential." Southern Journal of Agricultural Economics 10:2 (1978): 49-55.
  • Spreen, Thomas H., and David Mulkey. "The Lagged Effect of Basic Employment Changes in a Regional Economy." Review of Regional Studies 8:3 (1978): 60-65.
  • Spreen, Thomas H., Richard E. Mayer, James R. Simpson and James C. McClave. "Forecasting Monthly Slaughter Cow Prices with a Subset Autoregressive Model." Southern Journal of Agricultural Economics 11:1 (1979): 127-131.
  • McCarl, Bruce A., and Thomas H. Spreen. "Price Endogenous Mathematical Programming as a Tool for Sector Analysis." American Journal of Agricultural Economics 62(1980): 87-102.
  • Spreen, Thomas H., and Takashi Takayama. "A Theoretical Note on the Aggregation of Linear Programming Models of Production." American Journal of Agricultural Economics 62(1980): 146-151.
  • Spreen, Thomas H., Bruce A. McCarl and Kelly T. White. "Modeling the Cattle Subsector: A Demonstration in Guyana." Canadian Journal of Agricultural Economics 28(1980): 17-32.
  • Crane, Donald R., and Thomas H. Spreen. "A Model of the Stubble Replacement Decision for Florida Sugarcane Growers." Southern Journal of Agricultural Economics 12:2 (1980): 55-64.
  • Spreen, Thomas H., and J. Scott Shonkwiler. "Causal Relationships in the Fed Cattle Market." Southern Journal of Agricultural Economics 13:1 (1981): 149-154.
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "A Dynamic Regression Model of the U.S. Hog Market." Canadian Journal of Agricultural Economics 30(1982): 37-48.
  • Alvarez, Jose, Donald R. Crane, Thomas H. Spreen and Gerald R. Kidder. "A Yield Prediction Model for Florida Sugarcane." Agricultural Systems 9(1982): 161-179.
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "Disequilibrium Market Analysis: An Application to the U.S. Fed Beef Sector - Comment." American Journal of Agricultural Economics 65(1983): 360-363.
  • Kilmer, Richard L., Thomas H. Spreen and Daniel S. Tilley. "A Dynamic Plant Location Model: The East Florida Citrus Packing Industry." American Journal of Agricultural Economics 65(1983): 730-737.
  • Spreen, Thomas H., and Carlos A. Arnade. "The Use of Forecasts in Decision Making: The Case of Stocker Cattle in North Florida." Southern Journal of Agricultural Economics 16:1(1984): 145-150.
  • Lopez, Rigoberto A., and Thomas H. Spreen. "The Impact of Alternative Payment Arrangements on the Performance of Florida Sugarcane Cooperatives." Southern Journal of Agricultural Economics 16:2 (1984): 99-107.
  • Lopez, Rigoberto A., and Thomas H. Spreen. "Coordination Strategies and Nonmembers\' Trade in Processing Cooperatives." Journal of Agricultural Economics 36(1985): 385-396.
  • Moseley, Anne E., Thomas H. Spreen and Jim W. Pheasant. "A Mixed-Integer Programming Analysis of a Florida-Based Cattle Feeding Industry." Southern Journal of Agricultural Economics 18:2 (1986): 125-37.
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "The Statistical Significance and Stability of the Hog Cycle." Southern Journal of Agricultural Economics 18:2(1986): 227-33.
  • Zimet, David A., and Thomas H. Spreen. "A Target MOTAD Analysis of a Crop and Livestock Farm in Jefferson County, Florida." Southern Journal of Agricultural Economics 18:2(1986): 175-85.
  • Lopez, Rigoberto A., and Thomas H. Spreen. "Evaluating a New Payment System for a Processing Cooperative." Journal of Agricultural Cooperation 2(1987): 16-29.
  • Johnson, Frank A., Thomas H. Spreen, and Timothy Hewitt. "A Stochastic Dominance Analysis of Contract Grazing Feeder Cattle." Southern Journal of Agricultural Economics 19:2(1987): 11-20.
  • Adams, Charles A., Fred J. Prochaska, and Thomas H. Spreen. "Price Determination in the U.S. Shrimp Market." Southern Journal of Agricultural Economics 19:2(1987): 103-12.
  • Williams, M.J., A.C. Hammond, W.E. Kunkle, and T.H. Spreen. "Stocker Performance on Continuously Grazed Mixed Grass-Rhizoma Peanut and Bahiagrass Pastures." Journal of Production Agriculture 4(1991): 19-24.
  • DeLorenzo, M.A., T.H. Spreen, G.R. Bryan, D.K. Beede, and J.A.M. Van Arendonk. "Optimizing Model. I. Insemination, Replacement, Seasonal Production, and Cash Flow." Journal of Dairy Science 75(1992): 885-96.
  • Thomas, C.V., M.A. DeLorenzo, D.K. Beede, and T.H. Spreen. "Predicting Daily Feed Costs for Dairy Management Models." Journal of Dairy Science 75(1992): 3109-21.
  • Kilmer, R.A., J. Morrill, T.H. Spreen, and M.A. DeLorenzo. "The Effects of Alternate Cow Freshening Distributions on Milk Production and Imports in Florida." Journal of the Northeastern Agricultural Economics Society 21(1992): 151-9.
  • Gao, Xaoming, Thomas H. Spreen, And Michael A. DeLorenzo. "A Bio-Economic Dynamic Programming Analysis of the Seasonal Supply Response by Florida Dairy Producers." Southern Journal of Agricultural Economics 24:2(1992): 211-220.
  • Clancy, Colleen, Thomas H. Spreen, David Zimet, and S. Olowolayemo. "Analyzing Production Feasibility and Market Potential for Florida Aquacultural Catfish Products." Journal of the World Aquaculture Society 25(1994): 250-60.
  • Nyamusika, Nfume, Thomas H. Spreen, Owen Rae, and Charles Moss. "A Bio-economic Analysis of Bovine Respiratory Disease Complex." Review of Agricultural Economics 16(1994): 39-53.
  • Gao, Xaoming, and Thomas H. Spreen. "A Microeconometric Analysis of U.S. Meat Demand." Canadian Journal of Agricultural Economics 42(1994): 397-412.
  • Busby, Jean C., and Thomas H. Spreen. "The Impact on the U.S. Grapefruit Industry on Banning the Pesticide Sodium Ortho-phenylphenate." Journal of Food Distribution Research 26:2(1995): 39-46.
  • M.S. Campos, C.J. Wilcox, and T.H. Spreen. "Effects of Interrelationships of Production and Reproduction on Net Returns in Florida." Journal of Dairy Science 78(1995): 704-9.
  • Ford, Stephen A., Beth Pride Ford, and Thomas H. Spreen. "Evaluation of Alternative Risk Specifications in Farm Programming Models." Agricultural and Resource Economics Review 24(1995): 25-35.
  • Obreza, T.A., D.J. Pitts, R.J. McGovern, and T.H. Spreen. "Deficit Irrigation of Micro-Irrigated Tomato Affects Yield, Fruit Quality, and Disease Severity." Journal of Production Agriculture 9(1996): 270-5.
  • Brown, Mark G., Jonq Lee, and Thomas H. Spreen. "The Impact of Advertising and the Free Rider Problem: A Look at the U.S. Orange Juice Market and Imports." Agribusiness: An International Journal 12(1996): 309-16.
  • Deepak, M.S., Thomas H. Spreen, and John J. VanSickle. "An Analysis of the Impact of a Ban of Methyl Bromide on the U.S. Winter Fresh Vegetable Market." Journal of Agricultural and Applied Economics 28:2(1996): 433-43.
  • Greene, Gretchen, Charles B. Moss, and Thomas H. Spreen. "The Demand for Recreational Fishing in Tampa Bay, Florida: A Random Utility Approach." Marine Resource Economics 12(1998): 293-305.
  • Brown, Mark G., Thomas H. Spreen, and Ronald P. Muraro. "Fresh Versus Processed Utilization of Florida Grapefruit." Journal of Food Distribution Research, 30:3(1999): 22-32.
  • Testuri, Carlos E., Richard L. Kilmer, Thomas H. Spreen. “Seasonality of Class I Price Differentials for the Southeastern United States.” Journal of Agricultural and Applied Economics 33(2001): 591-604.
  • Carol T. West, and Thomas H. Spreen. “Local Government Portfolios and Regional Growth: Some Optimal Control Results.” Journal of Regional Science 41(2001): 219-54.
  • Spreen, Thomas H., Charlene Brewster, and Mark G. Brown. “The Free Trade Area of the Americas and the World Processed Orange Market.” Journal of Agricultural and Applied Economics 35(2003): 107-26.
  • Spreen, Thomas H., Marisa L. Zansler, and Ronald P. Muraro. “The Costs and Value Loss Associated with Florida Citrus Groves Exposed to Citrus Canker.” Proceedings of the Florida State Horticultural Society (refereed) 116(2003): 289-94.
  • Brown, Mark G., Thomas H. Spreen, and Jonq Lee. “U.S. Orange Juice Prices and World Tariffs.” Journal of Food Distribution Research 35:2(2004): 26-33.
  • Choi, Jonq Du, Sherry L. Larkin, and Thomas H. Spreen. “A Bioeconomic Model for Cham Scallop (Patinopecten yessoensis) Aquaculture in Korea.” Aquaculture Economics and Management, 10:2(2006): 125-146.
  • Spreen, Thomas H. “Price Endogenous Mathematical Programming Models and Trade Analysis.” Journal of Agricultural and Applied Economics, 38:2(2006): 249-53.
  • Pierre, Raphael, Thomas H. Spreen, and Charles B. Moss. “Invasive Species and Bio-security: The Cost of Monitoring and Controlling Mediterranean Fruit Flies in Florida.” Journal of Agricultural and Applied Economics, 38:2(2006): 337-43.
  • Love, Leigh Ann, James A. Sterns, Thomas H. Spreen, and Allen F. Wysocki. “When Consumers Diet, Should Producers Care? An Examination of Low-Carb Dieting and U.S. Orange Juice Consumption.” Journal of Food Distribution Research 37:3(2006): 68-76.
  • Spreen, Thomas H., Richard L. Kilmer, and Carlos R. Pitta. “Non-Homogeneous Products and the Law of One Price.” Agribusiness: An International Journal, 23:3(2007): 407-20.

Bulletins

  • Spreen, Thomas H., B.A. McCarl, R.D. May, T.K. White and Judy Santini. "Documentation of the Purdue Cattle Industry Model Applied to Guyana." Station Bulletin No. 170, Purdue University, September 1977.
  • Crane, Donald R., T.H. Spreen, J. Alvarez, and G. Kidder. "An Analysis of the Stubble Replacement Decision for Florida Sugarcane Growers." Experiment Station Bulletin No. 822, IFAS, University of Florida, January 1982.
  • Shonkwiler, Gwen S. and Thomas H. Spreen. "Projecting the Impact of Increased Energy Costs on Marketing Florida Feeder Cattle." Experiment Station Bulletin No. 835, IFAS, University of Florida, June 1983.
  • Zimet, David A., Thomas H. Spreen, Christina A. Gladwin. "Beef Cattle Production in Jefferson County, Florida." Experiment Station Bulletin No. 845, IFAS, University of Florida, June 1984.
  • Kilmer, Richard L. and Thomas H. Spreen. "Indian River Citrus Packinghouse Location: A Dynamic Programming Approach." Experiment Station Bulletin No. 848, IFAS, University of Florida, October 1984.
  • Spreen, T.H., J.A. Ross, J.W. Pheasant, J.E. Moore and W.E. Kunkle. "A Simulation Model for Backgrounding Feeder Cattle in Florida." Experiment Station Bulletin No. 850, IFAS, University of Florida, May 1985.
  • Moseley, Anne E., Thomas H. Spreen, and Jim W. Pheasant. "An Analysis of Feeding and Slaughtering Cattle in Florida." Experiment Station Bulletin, No. 873, IFAS, University of Florida, August 1987.
  • Spreen, Thomas H., John J. VanSickle, Anne E. Moseley, M.S. Deepak, and Lorne Mathers. "The Use of Methyl Bromide and the Economic Impact of Its Ban in the Florida Fresh Fruit and Vegetable Industry." Experiment Station Bulletin No. 898, IFAS, University of Florida, November 1995.
  • Davis, R. Michael, George Hamilton, W. Thomas Lanini, Thomas H. Spreen, and Craig Osteen. "The Importance of Pesticides and Other Pest Management Practices In U.S. Tomato Production." Document No. 1-CA-98, United States Department of Agriculture, National Agricultural Pesticide Impact Assessment Program, 1998.
  • VanSickle, John J., Charlene Brewster, and Thomas H. Spreen. "The Impact of a Methyl Bromide Ban on the U.S. Vegetable Industry." Florida Agricultural Experiment Station Bulletin No. 333, IFAS, University of Florida, February 2000.
  • Testuri, Carlos, Richard L. Kilmer, Thomas H. Spreen, and Xumin Zhang. “Class I Price Differentials for the Southeastern United States: Methodology and Empirical Results” Florida Agricultural Experiment Station Bulletin, IFAS, University of Florida, Florida Agricultural Experiment Station Bulletin No. 401, IFAS, University of Florida, Spring 2004.

Papers Presented at Professional Meetings

  • Spreen, Thomas H. and Glenn L. Nelson. "Improved Estimation of Cattle Slaughter Through Generalized Least Squares." Contributed paper presented at the American Agricultural Economics Association Meetings, Penn. State University, State College, PA., Aug. 1976. (Abstract: Amer. J. Ag. Econ. 58 (1976): 2036).
  • Spreen, Thomas H., Bruce A. McCarl, T. Kelly White and Ralph D. May. "An Application of a Large Scale Linear Programming Sector Model to the Cattle Economy of Guyana." Proceedings, Midwest AIDS Conference, Detroit, May 1976.
  • Spreen, T.H., R.E. Mayer, J.R. Simpson and J.T. McClave. "Forecasting Monthly Slaughter Cow Prices with a Subset Autoregressive Model." Contributed paper presented at the Southern Agricultural Economics Association Meetings, New Orleans, Feb. 1979. (Abstract: So. J. Ag. Econ. 11 (July 1979): 183).
  • Spreen, Thomas H., and David Mulkey. "The Lagged Effect of Basic Employment Changes in the Florida Economy." Contributed paper presented at the Southern Regional Science Association Meetings, Nashville, Tenn., April 1979.
  • Crane, Donald R., and Thomas H. Spreen. "A Conceptual Model of the Stubble Replacement Decision for Florida Sugarcane Growers." Contributed paper presented at American Agricultural Economics Association Meetings, Pullman, Washington, July 1979. (Abstract: Amer. J. Ag. Econ. 61 (1979): 1142).
  • Spreen, Thomas H., and David Mulkey. "The Lagged Effect of Basic Employment Changes in a Regional Economy." Presented at the Southern Regional Science Association Meetings, Savannah, GA, April 1980.
  • Spreen, Thomas H., J. Scott Shonkwiler and Julio Chang. "Causal Relationships in the Fed Beef Cattle Market." Selected paper presented at the American Agricultural Economics Association Meetings, Champaign, IL, July 1980. (Abstract: Amer. J. Ag. Econ. 62 (1980): 1114).
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "The Rational Expectation Hypothesis: An Empirical Application to the Florida Escarole Market." Selected paper presented at the American Agricultural Economics Association Meetings, Champaign, IL, July 1980. (Abstract: Amer. J. Ag. Econ. 62 (1980): 1111).
  • Solove, Robert A., Gary D. Lynne and Thomas H. Spreen. "Evaluating the Costs of Alternative Water Quality Policies: Effluent Changes or Direct Control? Selected paper presented at the American Agricultural Economics Association Meetings, Champaign, IL, July 1980. (Abstract: Amer. J. Ag. Econ. 62 (1980): 1106).
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "A Transfer Function Analysis of the U.S. Hog Market." Selected paper presented at the Southern Agricultural Economics Association Meetings, Atlanta, GA, Feb. 1981. (Abstract: So. J. Ag. Econ. 13 (July 1981): 164).
  • Spreen, Thomas H., and J. Scott Shonkwiler. "The Hog Cycle Revisited." Selected paper presented at the American Agricultural Economics Association Meetings, Clemson, SC, July 1981. (Abstract: Amer. J. Agr. Econ. 63 (1981): 1044).
  • Alvarez, Jose, Donald R. Crane, Thomas H. Spreen and Gerald R. Kidder. "A Yield Production Model for Florida Sugarcane." Paper presented at the American Society of Sugarcane Technologists Meetings, Fort Walton Beach, FL, June 1981. (Abstract: Sugar y Azucar 76:6 (June 1981): 30, 32, 115, 118).
  • Shonkwiler, Gwen S., and Thomas H. Spreen. "The Effect of Increasing Fuel Prices on the Feeder Cattle Marketing System in Florida." Selected paper to the Southern Agricultural Economics Association Meetings, Orlando, Florida, Feb. 1982. (Abstract: So. J. Ag. Econ. 14 (July 1982): 173).
  • Lynne, Gary D., Thomas H. Spreen and Robert A. Solove. "Cost Effectiveness in Water Quality from Agricultural Areas." Presented at the American Society of Civil Engineers Conference, Orlando, FL, July 1982. (Reprinted as Staff Paper 211, Food and Resource Economics Department, Univ. of Florida)
  • Lopez, Rigoberto A., and Thomas H. Spreen. "A Conceptual Analysis of Processing Cooperatives." Selected paper to the American Agricultural Economics Association Meetings, W. Lafayette, IN, August 1983. (Abstract: Amer. J. Ag. Econ. 65 (1983): 1182).
  • Arnade, Carlos A., and Thomas H. Spreen. "The Use of Forecasts in Decision Making: The Case of Stocker Cattle in Florida." Selected paper to the American Agricultural Association Meetings, W. Lafayette, IN, August 1983. (Abstract: Amer. J. Ag. Econ. 65 (1983): 1185).
  • Zimet, David, Christina Gladwin and Thomas H. Spreen. "Cow-Calf vs Stocker Operations: An Identification of Leverage Points in North Florida Beef Cattle Systems." Proceedings of the 1983 Kansas State Farming Systems Research Symposium, Manhattan, KS, November 1983, pp 743-757.
  • Lopez, Rigoberto A., and Thomas H. Spreen. "The Impact of Alternative Pricing Arrangements on the Performance of Florida Sugarcane Cooperatives." Selected paper presented at the American Agricultural Economics Association Meetings, Ithaca, NY, Aug. 1984. (Abstract: Amer. J. Ag. Econ. 66 (1984): 896).
  • Lopez, Rigoberto A., and Thomas H. Spreen. "Assessing Payment Systems in Processing Cooperatives." Proceedings, Northeastern American Institute of Decision Sciences Meetings, New York, NY, Mar. 1985.
  • Zimet, David, and Thomas H. Spreen. "A Target MOTAD Analysis of a Crop and Livestock Farm in Jefferson County, Florida." Selected paper presented at the Southern Agricultural Economics Association Meetings, Orlando, Florida, Feb. 1986. (Abstract: So. J. Ag. Econ. 18:1 (1986): 192).
  • Adams, Charles M., Fred J. Prochaska and Thomas H. Spreen. "Price Determination in the U.S. Shrimp Market." Selected paper presented at the Southern Agricultural Economics Association Meetings, Orlando, Florida, Feb. 1986. (Abstract: So. J. Ag. Econ. 18:1 (1986): 179).
  • Johnson, Frank, Thomas H. Spreen and Timothy Hewitt. "An Analysis of Contract Grazing Feeder Cattle." Selected paper presented at the American Agricultural Economics Association Meetings, Reno, Nevada, July 1986. (Abstract: Amer. J. Ag. Econ. 68(1986): 1390).
  • Shonkwiler, J. Scott, and Thomas H. Spreen. "Bootstrapping the Hog Cycle." Selected paper presented at the American Agricultural Economics Association Meetings, Reno, Nevada, July 1986. (Abstract: Amer. J. Ag. Econ. 68(1986): 1372).
  • Moseley, Anne E., David Mulkey, and Thomas Spreen. "Potential Economic Impacts of Feeding and Slaughtering Florida Weaned Calves in North Florida." Contributed paper presented at the 26th Meeting of the Southern Regional Science Assoc., Atlanta, GA., April 1987.
  • Spreen, Thomas H., and N.R. Martin. "Quantitative Analysis of Impending Changes in the Livestock Industry: An Integrative Approach." Paper presented in an organized symposium at the Southern Agricultural Economics Association meetings, Nashville, TN, February 1989. (Abstract: So. J. Agr. Econ. 21:1(1989): 196).
  • McClain, E.A., and Thomas H. Spreen. "The Use of Monte Carlo Simulations: A Dynamic Stochastic Model of the World Orange Juice Market." Paper presented at the Southeast Decision Sciences Institute meetings, Charleston, SC, February 1989.
  • Peters, Mark A., and Thomas H. Spreen. "Price Endogenous Mathematical Programming Models and Integrability: An Alternative Approach." Selected paper to the American Agricultural Economics Association meetings, Baton Rouge, LA, July 1989. (Abstract: Amer. J. Agr. Econ. 71(1989): 1342).
  • Gao, Xaoming, Thomas H. Spreen, and Michael A. Delorenzo. "Seasonal Price Premiums and Supply Response by Florida Dairy Producers." Selected paper to the American Agricultural Economics Association meetings, Baton Rouge, LA, July 1989. (Abstract: Amer. J. Agr.Econ. 71(1989): 1360).
  • DeLorenzo, M.A., T.H. Spreen, X. Gao, R.L. Kilmer, G. Bryan, and D.K. Beede. "Integrating Management Models and Data Basses III: Predicting the Optimal Response to Seasonal Milk Price Incentives Intended to Reduce Seasonal Imports into Florida". Selected paper presented at the American Dairy Science Association meeting, Lexington, KY, July 1989. (Abstract: J. Dairy Science 72:1(1989): 449).
  • McClain, E.A., and Thomas H. Spreen. "Simulation Models: Stochastic Versus Deterministic." Selected poster at the American Agricultural Economics Association meetings, Baton Rouge, LA, July 1989. (Abstract: Amer. J. Agr. Econ. 71(1989): 1363.
  • Taylor, Timothy G., Thomas H. Spreen, and Michael A. DeLorenzo. "Economic Valuation of Traits in Dairy Animals." Selected paper presented at the Southern Agricultural Economics Association meetings, Little Rock, AR, February 1990. (Abstract: So. J. Agr. Econ. 22:1(1990): 206).
  • Reeves, J.C., Mark Peters, Neil R. Martin, Jr., Kenneth Nelson, and Thomas H. Spreen. "Utilization of a Regional/National Model to Develop a Sub-Regional Model and Subsequently Evaluate Beef Industry Development in a Specific Region." Proceedings of the 21st Annual Meeting of the Southeast Region of the Decision Sciences Institute, Washington, D.C, June 1991.
  • Ford, Stephen A., Beth Pride Blythe, and Thomas H. Spreen. "Incorporating Options-Based Expected Price Distributions in Risk Programming Models." Selected paper presented at the Southern Agricultural Economics Association meetings, Fort Worth, TX, February 1991. (Abstract: So. J. Agr. Econ. 23:1(1991): 258).
  • Reeves, J.C., N.R. Martin Jr., M.A. Peters, K.E. Nelson, and T.H. Spreen. "Evaluating Beef Industry Development Policies for Alabama and the Southeast." Invited paper presented at the International Atlantic Economic Conference, Washington, D.C., October 1991.
  • Spreen, Thomas H., Ronald Muraro, and Gary F. Fairchild. "The Impact of the North American Free Trade Agreement on U.S. Citrus Producers." American Farm Bureau Federation, Park Ridge, IL. (Reprinted as International Working Paper Series, IW92-3, Food and Resource Economics Department, University of Florida, Gainesville, FL, May 1992, 77pp.)
  • Peters, Mark A., and Thomas H. Spreen. "Regional Demand for Meat: An Application of an Inverse Almost Ideal Demand System." Selected paper presented at the Southern Agricultural Economics Association meetings, Lexington, KY, February 1992. (Abstract: So. J. Agr. Econ. 24:1(1992): 285.
  • Kilmer, Richard L., John Morrill, Thomas H. Spreen, and Michael A. DeLorenzo. "The Effects of Alternative Cow Freshening Distributions on Milk Production and Imports in Florida." Selected paper presented at the Southern Agricultural Economics Association meetings, Lexington, KY, February 1992. (Abstract: So. J. Agr. Econ. 24:1(1992): 298.)
  • Clancy, Colleen M., Thomas H. Spreen, Surajudeen O. Olowolayemo, and David J. Zimet. "An Analysis of the Current and Potential Market for Florida Aquaculture Catfish Products." Selected paper presented at the Southern Agricultural Economics Association meetings, Lexington, KY, February 1992. (Abstract: So. J. Agr. Econ. 24:1(1992): 291.
  • Olowolayemo, S.O., N.R. Martin, Jr., K.E. Nelson, and T.H. Spreen. "A Recursive Spatial Equilibrium Model of the U.S. Beef Industry." Proceedings of the 22nd Annual Meeting of the Southeast Decision Sciences Institute Savannah, Georgia, February 1992.
  • Deepak, M.S., Thomas H. Spreen, and David Mulkey. "Local Public Policy, Regional Development, and Optimal Control." Paper presented at the 31st meeting of the Southern Regional Science Association, Charleston, SC, April 1992.
  • Spreen, Thomas H., and Robert M. Behr. "The Rose Garden Agreement and the U.S. Processed Orange Industry." Selected paper presented at the American Agricultural Economics Association meetings, Baltimore, MD, August 1992. (Abstract: Amer. J. Agr. Econ. 74(1992): 1275.)
  • Deepak, M.S., Thomas H. Spreen, Carol T. West, and David Mulkey. "Local Fiscal Policy and Optimal Control: Some Benchmarks for Regional Development." Paper presented at the 39th North American Meeting of the Regional Science Association International, Chicago, November 1992.
  • Campos, M.S., C.J. Wilcox, C.M. Becerril, M.A. DeLorenzo, and T.H. Spreen. "Milk Yield Traits Effects on Reproduction in Dairy Cows." Selected paper presented at the American Dairy Science Association meetings, June 1993. (Abstract: J. Dairy Sci. 76:1(1993): 163)
  • Spreen, Thomas H., and Xaoming Gao. "Health Concerns and the Structure of U.S. Meat Demand." Selected paper presented at the American Agricultural Economics Association meetings, Orlando, FL, August 1993. (Abstract: Amer. J. Agr. Econ. 75(1993): 1312)
  • Spreen, Thomas H. "The Impact of Tariffs on World Trade in Processed Orange Products." Paper presented at the 10th Session of the Intergovernmental Group on Citrus Fruit, FAO, Albufeira, Portugal, October 1993. FAO paper CCP:CI 93/8.
  • Spreen, Thomas H. "The World Market for Citrus." Paper presented at the Symposium of Agriculture and the Gulf of Mexico, University of Veracruz, Jalapa, Veracruz, Mexico, February 1994.
  • Busby, Jean, and Thomas H. Spreen. "The Impacts on the U.S. Grapefruit Industry of Banning the Pesticide Sodium Ortho-phenylphenate." Selected paper presented at the American Agricultural Association meetings, San Diego, CA, August 1994. (Abstract: Amer. J. Agr. Econ. 76(1994): 1262.)
  • Van Sickle, John J., Thomas H. Spreen, and Anne Moseley. "The Impact of a Ban on Methyl Bromide on the Florida Tomato Industry." 1994 Proceedings of the Florida Tomato Institute, September 1994, pp. 17-32.
  • Deepak, M.S., Thomas H. Spreen, and John J. Van Sickle. "The Impact of a Ban of Methyl Bromide on the North American Winter Fresh Vegetable Market." Selected paper presented at the Southern Agricultural Association meetings, New Orleans, LA, February 1995. (Abstract: J. Agr. and Appl. Econ. 27:1(1995): 312.)
  • Spreen, Thomas H. "NAFTA and Beyond: Trade Liberalization in the Americas and Its Implication for Horticultural Agribusiness. The Florida Perspective." Paper presented at the American Agricultural Economics Association meetings, Indianapolis, IN, August 1995. (Abstract: Amer J. Agr. Econ. 77(1995): 1351.)
  • Spreen, Thomas H. "Trade Liberalization and the World Processed Orange Market." Paper presented at the 11th Session of the Intergovernmental Group on Citrus, FAO, Rome, April 1996, FAO paper CCP:CI 96/3.
  • Greene, Gretchen, Charles B. Moss, and Thomas H. Spreen. "The Value of Recreational Fishing in Tampa Bay." Selected paper presented at the American Agricultural Economics Association meetings, San Antonio, TX, July 1996. (Abstract: Amer. J. Agr. Econ. 78(1996): 1414.)
  • Mondragon, Juan Pablo, Thomas H. Spreen, and Ronald P. Muraro. "The Mexican Citrus Processing Industry." in Memorias del IV Simposium Internacional sobre Sistemas de Produccion en Citricos. Universidad Autonoma Chapingo, Mexico, October 1996, pp.41-62.
  • Spreen, Thomas H., Mark A. Brown, and Jonq Lee. "The Impact of NAFTA on U.S. Imports of Mexican FCOJ." Selected paper presented at the "NAFTA and Agriculture: Is the Experiment Working" Symposium, San Antonio, TX, November 1996.
  • VanSickle, John J., Thomas H. Spreen, and Kendrick Jordan. "Economic Analysis of the Impact of the Devaluation of the Peso and Adverse Weather in Florida on the North American Winter Fresh Vegetable Market." Selected paper presented at the "NAFTA and Agriculture: Is the Experiment Working?" Symposium, San Antonio, TX, November 1996.
  • Deepak, M.S., Thomas H. Spreen, and John J. VanSickle. "Environmental Externalities and International Trade: The Case of Methyl Bromide." Paper presented at the "Conference on Flexible Incentives for the Adoption of Environmental Technologies in Agriculture." Gainesville, FL, June 1997.
  • Spreen, Thomas H. “NAFTA and Its Impact on the Florida Tomato Industry.” Invited presentation at the 1890 Land Grant Universities Association of Research Directors, San Antonio, TX, October 1997.
  • Brewster, Charlene, Thomas H. Spreen, M.S. Deepak, and Craig Osteen. "The Impact of Pesticide Regulation on the U.S. Fresh Tomato Industry." Selected paper presented at the Southern Agricultural Economics Association meetings, Little Rock, AR, February 1998. (Abstract: J. of Agr. & Appl. Econ. 30:1(1998): 226.)
  • Greene, Gretchen, Charles B. Moss, and Thomas H. Spreen. "Measuring the Gains form Market-Based Reforms: The Case of the Sugar Industry in Veracruz, Mexico." Selected paper presented at the Southern Agricultural Economics Association meetings, Little Rock, AR, February 1998. (Abstract: J. of Agr. & Appl. Econ. 30:1(1998): 229.)
  • Nova-Gonzalez, Armando, Thomas H. Spreen, and Ronald P. Muraro. "The Cuban Citrus Industry: An Assessment of Potential Market Opportunities after Lifting of U.S. Economic Sanctions." Proceedings of the Status of Cuban Agriculture Conference, held in Washington, D.C. Sponsored by the Food and Resource Economics Department, University of Florida, March 1998.
  • Brewster, Charlene, and Thomas H. Spreen. "Price Equilibrium in Spatially Separated Multi-Product Markets: An Application to the World Processed Orange Juice Market." Selected paper presented at the American Agricultural Economics Association meetings, Salt Lake City, UT, August 1998. (Abstract: Amer. J. Agr. Econ. 80(1998): 1175)
  • Spreen, Thomas H. "The Outlook for World Orange and Grapefruit Production, Consumption, and Trade in 2005." Paper presented to the 12th Intergovernmental Meeting on Citrus, Food and Agriculture Organization, Valencia, Spain, September 1998.
  • Spreen, Thomas H., John J. VanSickle, and Charlene Brewster. "Trade Distortions in a Free Trade Zone: The Case of Sanitary and Phytosanitary Restrictions." Paper presented at the Agricultural Globalization, Trade, and Environment Conference, Berkeley, CA, March 1999.
  • Greene, Gretchen, Charles B. Moss, and Thomas H. Spreen. "Measuring the Gains from Market-Based Reforms: The Case of the Sugar Industry in Veracruz, Mexico." Selected paper presented at the Southern Agricultural Economics Association meetings, Memphis, TN, February 1999. (Abstract: J. of Agr. & Appl. Econ. 30:1(1999): 229)
  • Brewster, Charlene, John J. VanSickle, and Thomas H. Spreen. "The Impact of a Ban of Methyl Bromide on the U.S. Fresh Vegetable Industry." Selected poster presented at the Southern Agricultural Economics Association meetings, Memphis, TN, April 1999. (Abstract: J. of Agr. & Appl. Econ. 30:1(1999): 220.)
  • Spreen, Thomas H. "The Citrus Industries of the United States and Mexico after Implementation of NAFTA." Paper presented at the V Simposium Internacional sobre Sistemas de Produccion en Citricos. Sponsored by Universidad Autonoma Chapingo, Mexico, held at Manzillo, Colima, Mexico, May 1999.
  • Garcia, Luis Ramiro, Thomas H. Spreen, and Gretchen Greene. "Structural Reform and Mexico\'s Sweetener Market." Paper presented at "Sweetener Markets in the 21st Century." Symposium sponsored by the University of Florida held in Miami, FL, November 1999.
  • Spreen, Thomas H, Michel Paggi, and Anouk Flambert. "A Model of the World Banana Market." Paper presented at "U.S.-EU Trade Conflicts: A Study of the WTO Case Against the EU Banana Trade Regime." Symposium held at the Institute of European Studies, Stanford University, Palo Alto, CA, March 2000.
  • Spreen, Thomas H., Ronald P. Muraro, and Fritz Roka. “The Impact of Tree Density on Citrus Yields and Florida.” Paper presented at the Florida State Horticultural Society meetings, Orlando, FL, July 2000.
  • Ali, Mohammad, Richard L. Kilmer, and Thomas H. Spreen. "An Economic Model for Evaluating the Impact of Prohibiting the Use of Copper in Grapefruit Production in Florida." Selected paper presented at the American Agricultural Economics Association meetings, Tampa, FL, August 2000. Electronic abstract at http://agecon.lib.umn.edu/aaea.html/#aaea00.
  • Spreen, Thomas H., Mechel Paggi, Anouk Flambert, and Waldir Fernandes, Jr.. “An Analysis of the EU Banana Trade Regime.” Selected poster presented at the American Agricultural Economics Association meetings, Tampa, FL, August 2000. Electronic abstract at http://agecon.lib.umn.edu/aaea.html/#aaea00.
  • Fernandes, Waldir, and Thomas H. Spreen. “The Structure of the Processed Orange Industry in Florida and Sao Paulo, Brazil.” Selected paper presented at the Southern Agricultural Economics Association meetings, Ft. Worth, TX, February 2001. (Abstract: J. of Agr. & Appl. Econ 33(2001): 631.)
  • Roka, Fritz, Ronald P. Muraro, and Thomas H. Spreen. “Citrus Tree Density Decisions and Economic Returns in South Florida Groves.” Selected paper presented at the Southern Agricultural Economics Association meetings, Ft. Worth, TX, February 2001. (Abstract: J. of Agr. & Appl. Econ. 33(2001): 629-30.)
  • Testuri, Carlos E., Richard L. Kilmer, and Thomas H. Spreen. “Monthly Class I Price Differentials for Southeastern United States: Methodology and Empirical Results.” Selected paper presented at the Southern Agricultural Economics Association meetings, Ft. Worth, TX, February 2001. (Abstract: J. of Agr. & Appl. Econ. 33(2001): 624.)
  • Spreen, Thomas H. “Projections of World Production and Consumption of Citrus to 2010.” Proceedings of the International Citrus Symposium 2001. Organized by the Ministry of Agriculture, People’s Republic of China and the Food and Agricultural Organization, United Nations, Beijing, China, pp. 152-64.
  • Spreen, Thomas H. “The Free Trade Area of the Americas and the Market for Processed Orange Products.” Proceedings of the International Citrus Symposium 2001. Organized by the Ministry of Agriculture, People’s Republic of China and the Food and Agricultural Organization, United Nations, Beijing, China, pp. 265-91.
  • Spreen, Thomas H. “Cuba’s Citrus and Vegetable Industries.” Paper presented in an organized symposium at the American Agricultural Economics Association meetings, Chicago, IL, August 2001.
  • Spreen, Thomas H., Luis Garcia, and Daisuke Sano. “Analysis of the Sweetener Market in Mexico.” Selected paper presented at the Southern Agricultural Economics Association meetings, Orlando, FL, February 2002. (Abstract: J. of Agr. & Appl. Econ. 34(2002): 369.)
  • Bocardo, Arturo, Thomas H. Spreen, and Mark G. Brown. “Implications of NAFTA on U.S.-Mexico Orange Juice Trade.” Selected paper presented at the Southern Agricultural Economics Association meetings, Orlando, FL, February 2002. (Abstract: J. of Agr. & Appl. Econ. 34(2002): 368.)
  • Spreen, Thomas H. “The Outlook for Cuba’s Citrus Industry after Hurricane Michelle.” Paper presented in an organized symposium entitled “Potential U.S.-Cuba Agricultural Trade: Issues for Southern and U.S. Agriculture,” Southern Agricultural Economics Association meetings, Orlando, FL, February 2002. (Abstract: J. of Agr. & Appl. Econ. 34(2002): 383.)
  • Spreen, Thomas H. “Trade Liberalization and the U.S. Citrus Industry.” Paper presented in an organized symposium entitled “Competitive Impacts and Opportunities from Freer Trade on Southern Fruits and Vegetables,” Southern Agricultural Economics Association meetings, Orlando, FL, February 2002. (Abstract: J. of Agr. & Appl. Econ. 34(2002): 381.)
  • Fernandes, Waldir, and Thomas H. Spreen. “The Impact of CVC on Brazil’s Citrus Industry.” Selected paper presented at the American Agricultural Economics Association meetings, Long Beach, CA, July 2002. Available at http://agecon.lib.umn.edu/cgi-bin/detailview.pl?paperid=4590
  • Spreen, Thomas H, Ronald P. Muraro, and Marisa Zansler. “Estimating the Economic Value Associated with Citrus Trees Lost to Citrus Canker.” Selected paper presented at the Southern Agricultural Economics Association meetings, Mobile, AL, February 2003. (Abstract: J. of Agr. & Appl. Econ. 35(2003): 440.)
  • Luis R. Garcia and Thomas H. Spreen. “NATFA and the Sweetener Markets of the United States and Mexico.” Presentation at the Conference on International Agricultural Trade Disputes: Case Studies in North America.” Sponsored by the University of Florida, Gainesville, FL, March 2003.
  • Spreen, Thomas H. “Projections of World Production and Consumption of Citrus to 2010.” Presentation at the 14th Intergovernmental Meeting on Citrus, Food and Agricultural Organization, Havana, Cuba, May 2003. Published as FAO Paper CCP:CI 03/02.
  • Spreen, Thomas H., Marisa L. Zansler, and Ronald P. Muraro. “The Costs and Benefits Associated with Eradicating Citrus Canker in Florida.” Selected paper presented at the American Agricultural Economics Association meetings, Montreal, Canada, July 2003. Available at http://agecon.lib.umn.edu/cgi-bin/detailview.pl?paperid=9014
  • Spreen, Thomas H. “Mercado Mundial Para Citricos (The World Market for Citrus).” Proceedings of the Inter-American Conference of Citrus. Sponsored by the Inter-American Citrus Network, Nautla, Mexico, November 2003, pp.19-22.
  • Spreen, Thomas H. “World Production and Consumption of Fresh and Processed Citrus Products.” Invited presentation at Taller Internacional de Citricos, sponsored by INIFAP, Obregon, Sonora, Mexico, March 2004.
  • Sano, Daisuke, Lisa House, and Thomas H. Spreen. “Analysis of U.S.-Mexico Sugar Trade: Ten Years of the NAFTA Regime and Ten Years from Now.” Selected paper presented at the American Agricultural Economics Association meeting, Denver, CO, August 2004. Available at http://agecon.lib.umn.edu/cgi-bin/pdf_view.pl?paperid=14355&ftype=.pdf
  • Spreen, Thomas H. “A Model of the World Banana Market: Analysis of Impending Changes in the EU Banana Trade Regime.” Presentation of the FAO Informal Expert Consultation on Banana Trade Policies, Rome, Italy, October 28-29, 2004.
  • Spreen, Thomas H., Marisa L. Zansler, and Ronald P. Muraro. “Economic Analysis of Florida Citrus Canker Eradication Program.” Presentation at the 2nd International Citrus Canker Research Workshop, Orlando, FL, November 7-10, 2005.
  • Love, Leigh Ann, James Sterns, Thomas H. Spreen, and Allen Wysocki. “Changing Patterns of Orange Juice Consumption in the Southern United States. Paper presented at the Southern Agricultural Economics Association meetings, Orlando, FL, February 2006. (Abstract: J. of Agr. & Appl. Econ. 38:3(2006): 659.)
  • Muraro, Ronald P., Fritz Roka, and Thomas H. Spreen. “The ‘Phantom Costs’ of Florida’s Citrus Industry.” Paper presented at the Southern Agricultural Economics Association meetings, Orlando, FL, February 2006. (Abstract: J. of Agr. & Appl. Econ. 38:2(2006): 462.)
  • Spreen, Thomas H. “An Overview of the World Orange Juice Industry.” Invited presentation at the XII Seminario Enzo Levi, Sponsored by the Instituto Technologico Superior de Alamo y Temapache, Alamo, Veracruz, Mexico, May 2006.
  • Spreen, Thomas H. “Logistic Issues Associated with the Adoption of Mechanical Harvesting in Florida.” Paper presented at the Florida State Horticultural Society meetings, Tampa, FL, June 2006.
  • Evans, E., S. Nalampang, and T. Spreen. “Marketing Opportunities for Jamaica’s Grapefruit Industry.” Paper presented at the joint Caribbean Food Crops Society (CFCS) and the 27th West Indies Agricultural Conference, San Juan, Puerto Rico, July 2006.
  • Spreen, Thomas H. “Economic Integration: Implications for the Agricultural Sector.” Presentation at the “Development and Society in the Context of Globalization Colloquium”, Faculty of Economics, University of Veracruz, Xalapa, Veracruz, Mexico, October 2006.
  • Sterns, James A., and Thomas H. Spreen. “Industry Networks and Sustainable Competitiveness in Brazilian and U.S. Processed Citrus Supply Chains.” Paper presented at the First International European Forum on Innovation and System Dynamics, sponsored by the International Center for Food Chain and Network Research, University of Bonn, Germany, held in Innsbruck, Austria, February 2007.
  • Searcy, Jacob, Fritz Roka, and Thomas H. Spreen. “Optimal Time of Harvest for Florida Valencia Growers to Maximize Returns.” Selected paper presented at the Southern Agricultural Economics Association meetings, Mobile, AL, February 2007.
  • Spreen, Thomas H., Edward A. Evans, Sikavas NaLampang, Dawn Corrie-Cortas. “The Continuing Saga of the EU Banana Debate: An Analysis of Possible Refinements to the 2006 EU Banana Trade Regime.” Paper presented at the 27th West Indies Agricultural Economics Conference, Belize City, July 2007.

Presentations at Industry Meetings

  • Spreen, T.H. and G.S. Shonkwiler. "The Impact of Increased Energy Costs on the Competitive Advantage of Finishing Cattle in Florida." Proceedings of the 31st Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May 1982.
  • Spreen, Tom. "Quantity and Type of Beef Consumed in Florida." Proceedings of the 32nd Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May 1983.
  • Spreen, T.H., J.W. Pheasant, J.A. Ross, J.E. Moore and W.E. Kunkle. "Evaluating Alternative Backgrounding Programs with a Computerized Decision Aid." Proceedings of the 33rd Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May 1984, pp. 128-134.
  • Pheasant, J.W., T.H. Spreen, W.E. Kunkle, and J.E. Moore. "Florida Beef Cattle Backgrounding Decision Making Aid." Proceedings, 1986 International Conference on Computers in Agricultural Extension Programs.
  • Hewitt, T.D. and T.H. Spreen. "Post-Weaning Options for Florida Cattlemen." Proceedings of the 35th Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May, 1986, pp 95-105.
  • Kunkle, W.E., A.Z. Palmer, T.H. Spreen, A.C. Hammond, W.T. Butts, M.J. Williams, and F.S. Baker, Jr. "Evaluation of the STARS Stockering and Feeding Study." Proceedings of the 37th Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May, 1988, pp. 67-74.
  • Spreen, T.H., J.M. Morrill, W.E. Kunkle, W.T. Butts, M.J. Williams, A.C. Hammond, F.S. Baker, Jr., and A.Z. Palmer. "The Effects of Backgrounding System and Cattle Type on Net Return." Proceedings of the 38th Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May, 1989, pp. 26-29.
  • Pate, Findlay, and Tom Spreen. "Normal vs. Early and Late Weaning: Management Systems to Enhance Profitability Due to Time of Marketing." Proceedings of the 41st Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May, 1992, pp 33-7.
  • Spreen, Thomas H., and Jim Simpson. "Seasonality of Cow Prices." Proceedings of the 41st Annual Beef Cattle Short Course, Animal Science Department, University of Florida, May, 1992, pp. 54-7.
  • Spreen, Thomas H. "The Market for Processed Grapefruit." Invited paper presented at the 4th International Citrus Industry Outlook Conference, Capitva Island, FL, October, 1994.
  • Spreen, Thomas H. "The Long-Run Outlook for the World Citrus Market." Invited paper presented at the 5th International Citrus Industry Outlook Conference, New Orleans, LA, October, 1996.
  • Spreen, Thomas H. "The Long-Run Outlook for the Florida Citrus Industry." Florida Agricultural Conference and Trade Show, Citrus Crop Proceedings published by Citrus & Vegetable Magazine, October, 1996, pp. 8-11.
  • Spreen, Thomas H. “An Overview of the Florida Grapefruit Industry.” Presentation to the Citrus Administrative Committee, Lake Wales, FL, June, 1997.
  • Spreen, Thomas H., and Mark A. Brown. “The Impact of Supply Control on Florida Grapefruit Producers.” Presentation to the Supply Control Committee of the Grapefruit Sub-committee, Florida Department of Citrus, Lakeland, FL, July, 1997.
  • Muraro, Ronald P., and Thomas H. Spreen. "Selective Field Harvesting Impact on Indian River Grapefruit Packout and Cost." Paper presented at the 36th Annual Citrus Packinghouse Day, Lake Alfred, FL, August, 1997.
  • Spreen, Thomas H., and Ronald P. Muraro.”The Citrus Industries of Florida and Sao Paulo, Brazil.” Presentation at the Florida Agricultural Conference and Trade Show, Lakeland, FL, October, 1997
  • Spreen, Thomas H., Mark A. Brown, Robert E. Barber, and Ronald P. Muraro. "Economic Analysis of Supply Control in the Florida Grapefruit Industry." Testimony presented to the Florida Citrus Commission, Lakeland, FL, November, 1997.
  • Spreen, Thomas H. “Trends in the World Citrus Market and Implications for Florida Producers.” Presentation to the Citrus Production School, Wachula, FL, January, 1998.
  • Spreen, Thomas H. "Alternative Mechanisms for Improving Returns to Florida Grapefruit Growers." Presentation to workshop on the market for Florida grapefruit, Ft. Pierce, FL, April, 1998.
  • Spreen, Thomas H. "The World Market for Florida Grapefruit." Presentation to a meeting of citrus growers, Bartow, FL, May 1998.
  • Spreen, Thomas H. "Grapefruit Crop Forecasts: Production or Utilization?" Presentation to the Citrus Crop Estimates Advisory Committee, Lake Wales, FL, September 1998.
  • Spreen, Thomas H. "An Analysis of Proposed Changes in the U.S. FCOJ Duty Drawback." Presentation to the Executive Board of the Florida Citrus Processors Association, Winter Haven, FL, September 1998.
  • Spreen, Thomas H. "Calculation of Costs and Returns in the Florida Grapefruit Industry." Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, March 1999.
  • Spreen, Thomas H. "The EU Trade Regime for Bananas: Implications for Belize." Presentation to the Belize Banana Growers Association, Independence, Belize, July 1999.
  • Spreen, Thomas H. "The World Market for Citrus Products." Presentation to the Belize Citrus Growers Association, Belize City, Belize, July 1999.
  • Spreen, Thomas H. "Recent Developments in the World Citrus Industry." Presentation at the Florida Agricultural Conference and Trade Show, Lakeland, FL, September 1999.
  • Spreen, Thomas H. "The Implications of Trade Liberalization on the Florida Citrus Industry." Invited presentation to the annual meeting of Citrus Growers Associates, Lake Wales, FL, December 1999.
  • Spreen, Thomas H. "The Economic Impact of Tristeza on the Florida Grapefruit Industry." Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, March 2000.
  • Spreen, Thomas H. “The Outlook for the World Citrus Market: Implications for Risk Management.” Presentation at the Risk Management Seminar for Florida citrus growers held at Bartow, FL; Immokalee, FL; and Tavares, FL, March-April 2000.
  • Spreen, Thomas H. “Recent Events in the Market for Florida Grapefruit.” Presentation at the Summit on Florida Grapefruit Symposium, sponsored by Florida Citrus Packers, Lake Wales, FL, July 2000.
  • Spreen, Thomas H. “Consolidation in the Florida and Brazilian Citrus Industries: Implications for Florida Citrus Growers.” Presentation at the Southwest Florida Citrus Expo, Ft. Myers, FL, August 2000.
  • Spreen, Thomas H. “Trade Agreements and Florida Agriculture.” Presentation at an in-service extension agent training meeting, Marianna, Fl, September 2000
  • Gunter, Dan, and Thomas H. Spreen “Update on the U.S. Fruit Juice Industry.” Paper presented the 7th International Economic Outlook Conference for Citrus and Non-citrus Juices, Orlando, FL, October 2000.
  • Spreen, Thomas H. “Challenges Facing Agriculture in Collier County, Florida.” Presentation to the Ag Lands Committee, Collier County Commission, Naples, FL, April 2001.
  • Spreen, Thomas H. “The Market for Florida Citrus Products and the Implications of Trade Liberalization on Florida Citrus Growers.” Presentation to the Ridgerunners, a group of Florida citrus growers, Haines City, FL, May 2001.
  • Spreen, Thomas H. “How Consolidation is Affecting the Citrus Industry of Florida.” Presentation at Globalization and Consolidation and Florida Citrus conference, Tavares, FL, May 2001.
  • Spreen, Thomas H. “The Evolution of Cuba’s Citrus Industry.” Presentation at the 41st Florida Citrus Processing Short Course, Clearwater Beach, FL, September, 2001.
  • Spreen, Thomas H. “The Future of Agriculture in Collier County, Florida.” Presentation to the Collier County Commission. Naples, FL, September 2001.
  • Spreen, Thomas H. “An Overview of the Florida Citrus Industry.” Presentation to Highlands County citrus growers, Sebring, FL, November 2001.
  • Spreen, Thomas H. “Future Prospects for Florida Processed Orange Growers.” Presentation at the Citrus Production School, Arcadia, FL, February 2002.
  • Spreen, Thomas H. “Future Production and Marketing Trends for Florida Grapefruit.” Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, March 2002.
  • Spreen, Thomas H. “Tristeza and Its Impact of Florida Grapefruit Production and Prices.” Presentation to the Swamp Stompers, a citrus growers group, Ft. Pierce, FL, April 2002
  • Spreen, Thomas H. “Trade Agreements and Marketing Options for Florida Citrus Growers.” Presentation at a grower meeting, Tavares, FL, April 2002.
  • Spreen, Thomas H. “International Implications of Citrus Cost Considerations in Florida and Sao Paulo, Brazil.” Presentation at the Mechanical Harvesting Forum, sponsored by the Florida Department of Citrus, Lake Wales, FL, May 2002.
  • Spreen, Thomas H. “Trade Agreements and the Florida Citrus Industry.” Presentation at the 11th Southwest Florida Citrus Expo, Ft. Myers, FL, August 2002.
  • Spreen, Thomas H. “The Implications of FTAA for Florida Citrus.” Presentation at the 11th Southwest Florida Citrus Expo, Ft. Myers, FL, August 2002.
  • Spreen, Thomas H. “International Trade and Tariff Issues in the Processed Citrus Industry.” Presentation at the 42nd Annual Florida Citrus Processing Short Course, Clearwater Beach, FL, September 2002.
  • Spreen, Thomas H. “Trade Agreements and World Juice Markets.” Presentation at the 8th International Economic Outlook Conference for Citrus and Non-Citrus Juices co-sponsored by the National Juice Products Association and the University of Florida, New York City, October 2002.
  • Spreen, Thomas H. “The Free Trade Area of the Americas and Florida Citrus.” Presentation at the 2nd International Agricultural Trade and Policy Conference, sponsored by the Food and Resource Economics Department, University of Florida, Gainesville, FL, November 2002.
  • Spreen, Thomas H. “The Free Trade Area of the Americas and the Florida Citrus Industry.” Presentation at the Peace River Valley Citrus Growers Association annual meeting, Arcadia, FL, February 2003.
  • Spreen, Thomas H. “The Relationship between Grapefruit Juice Inventories and the Value of Processed Grapefruit.” Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, March 2003.
  • Spreen, Thomas H. “The Interplay between the U.S. Orange Juice Tariff and U.S. Orange Juice Demand.” Presentation to the Florida Citrus Commission, Lakeland, FL, June 2003.
  • Spreen, Thomas H. “Adoption of Mechanical Harvesting and Grower–Processor Relationships.” Presentation at the 12th Southwest Florida Citrus Expo, Ft. Myers, FL, August 2003.
  • Spreen, Thomas H. “Economic Considerations of Fresh Citrus Markets.” Presentation at the 42nd Citrus Packinghouse Day, Lake Alfred, FL, August 2003.
  • Spreen, Thomas H. “Trade Issues in Citrus.” Presentation at the 43rd Annual Florida Citrus Processing Short Course, Clearwater Beach, FL, September 2003.
  • Spreen, Thomas H., and John J. VanSickle. “Profitability Issues in Florida Agriculture.” Presentation at the 62nd Annual Meeting of the Florida Farm Bureau Federation, Daytona Beach, FL, October 2003.
  • Spreen, Thomas H. “Economic Consideration of Fresh Citrus Markets.” Presentation to California citrus growers forum sponsored by the California Citrus Research Board, Temecula and Indio, California, November 4-5, 2003.
  • Spreen, Thomas H. “Projecting the Economic Impact of Higher Brix Standards for Grapefruit.” Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, January 2004.
  • Spreen, Thomas H. “The Interplay between the U.S. Orange Juice Tariff and U.S. Orange Juice Demand, Redux.” Presentation to the Florida Citrus Commission, Lakeland, FL, May 2004.
  • Spreen, Thomas H. “The Outlook for Orange Juice Prices: The Possible Consequences for Hurricanes Charley and Frances.” Presentation at the 44th Annual Florida Citrus Processing Short Course, Clearwater Beach, FL, September 2004.
  • Spreen, Thomas H. “Overview of the Cuban Citrus Industry.” Presentation at the 9th International Economic Outlook Conference for Citrus and Non-Citrus Juices sponsored by the Juice Products Association, Tampa, FL, December 2004.
  • Spreen, Thomas H. “The Medium and Long-Term Outlook for Processed Oranges and Fresh and Processed Grapefruit.” Presentation at the Indian River Citrus Seminar, Ft. Pierce, FL, January 2005.
  • Spreen, Thomas H. “The Outlook for the Florida Citrus Industry.” Presentation to the Retired Faculty of the University of Florida, Gainesville, FL, February 2005.
  • Spreen, Thomas H. “The Costs and Benefits Associated with the Citrus Eradication Program in Florida.” Presentation at the annual meeting of Florida Citrus Packers, Kissimmee, FL, April 2005.
  • Spreen, Thomas H. “The Outlook for the Florida Citrus Industry.” Presentation at the 13th Southwest Florida Citrus Expo, Ft. Myers, FL, August 2005.
  • Spreen, Thomas H. “The Economic Impact of the Hurricanes on the Florida Citrus Industry.” Presentation at the 45th International Citrus & Beverage Conference, Clearwater, FL, September 2005.
  • Spreen, Thomas H. “An Economic Assessment of the Future Prospects for the Florida Citrus Industry.” Presentation to the Special Industry Task Force, Florida Department of Citrus, Lakeland, FL, March 2006. Also presented to the Board of Directors, Indian River Citrus League, Vero Beach, FL, April 2006.
  • Spreen, Thomas H. “Future Supply and Demand for Florida Citrus Products.” Presentation at the 2006 Florida Citrus Growers School, Lake Wales, FL, April 2006. Also presented to the Lake County Citrus Producers Association, Clermont, FL, April 2006.
  • Spreen, Thomas H. “Perspectivas para o Mercado Mundial de Citros. (Perspectives on the World Citrus Market)” Invited presentation to citrus growers in Sao Paulo, Brazil, sponsored by ACIRP, Sao Jose do Rio Preto, Sao Paulo, Brazil, May 2006.
  • Spreen, Thomas H. “FRED’s Crystal Ball: The Outlook for the Florida Citrus Industry.” Presentation at the 14th Southwest Florida Citrus Expo, Ft. Myers, FL, August 2006.
  • Spreen, Thomas H. “A Future Look at the Citrus Industry from an Economic Perspective.” Presentation at the 46th International Citrus & Beverage Conference, Clearwater, FL, September 2006.
  • Spreen, Thomas H. “Future Prospects for the World Citrus Industry.” Presentation to the Belize Citrus Growers Association, Belmopan, Belize, October 2006.
  • Spreen, Thomas H. “A Future Look at the World Citrus Industry.” Presentation at the 9th International Economic Outlook Conference for Citrus and Non-Citrus Juices sponsored by the Juice Products Association, New York, NY, November 2006.
  • Spreen, Thomas H. “International Trade Implications for Florida Agriculture.” Presentation at the meeting of the Florida Society of Farm Managers and Rural Appraisers, Bartow, FL, April 2007.
  • Spreen, Thomas H. “An Economic Assessment of the Florida Citrus Industry.” Presentation at the CCA Agronomic Seminar, Southern AgriBusiness Services, Sebring, FL, April 2007.
  • Spreen, Thomas H. “Citrus Production in Florida.” Presentation at the Juice America Conference, Sponsored by Foodnews, Sao Paulo, Brazil, May 2007.

Other Publications

  • Muraro, R.P., B. Abbitt and T.H. Spreen. "A Method for Estimating Net Total Loss from Losing an Orange Tree." Proceedings of the Florida State Horticultural Society 91 (1978): 1-4.
  • Spreen, Thomas. "It\'ll Pay to Feed Old Cows This Year." Successful Farmer, December 1979, p. 10H.
  • Abbitt, B., R.P. Muraro and T.H. Spreen. "A Method for Estimating Net Total Loss from Losing Citrus Tree." Economic Information Report No. 105, Univ. of Florida, Feb. 1979. (Reprinted in Citrus Industry, March 1979).
  • Alvarez, Jose, Gerald Kidder, Thomas H. Spreen and Donald R. Crane."Rates of Decline in Productivity of Florida Sugarcane" Soil and Crop Society of Florida Proceedings 39 (1980): 95-98.
  • Simpson, James R. and Thomas H. Spreen. "Seasonality of Florida Cow Marketings and Prices." Extension Bulletin No. 194, IFAS, University of Florida, September 1981.
  • Alvarez, Jose and Thomas H. Spreen. "Trends in the Current Dollar Cost of Producing Florida Tomatoes." Proceedings of the Florida Horticulture Society 94(1981):189-93.
  • Spreen, Thomas H. and Gwen S. Shonkwiler. "Origin, Grade, and Form of Beef Consumed in Florida." Florida Food and Resource Economics, Sept. - Oct. 1982.
  • Kilmer, Richard L, and Thomas Spreen. "Location of Indian River Fresh Citrus Packinghouses." Citrus Industry 64:2(February, 1983):16-20.
  • Kilmer, Richard L. and Thomas H. Spreen. "Indian River Citrus Packinghouses and the Southward Movement of Production." Economic Information Report No. 180, Univ. of Fla., April 1983.
  • Ross, Joe A., Thomas H. Spreen and Carlos A. Arnade. "Costs and Returns from Overwintering Feeder Cattle in North Florida." Economic Information Report No. 183, Univ. of Fla., June 1983.
  • Wake, J.L., E.C. French, T.H. Spreen, and G.M. Prine. "A Computer Model Estimate of the Performance of Beef Cattle Backgrounded on Rhizoma Peanut and Pensacola Bahiagrass in North Florida." Agronomy Research Report AY 85-14, University of Florida, Gainesville, FL, June 1985.
  • Pheasant, J.W., T.H. Spreen, S. Peterson, W.E. Kunkle and J.E. Moore. "User\'s Guide to the Florida Beef Cattle Backgrounding Simulation Model \'Beef\'." Extension Circular No. 736, IFAS, University of Florida, December, 1986, 39 pp.
  • Williams, M.J., A.C. Hammond, W.T. Butts, W.E. Kunkle, A.Z. Palmer, F.S. Baker, and T.H. Spreen. "Backgrounding Systems for Florida: Pasture Dynamics and Steer Performance." Proceedings of the International Conference on Livestock in the Tropics, Tampa, FL, May, 1988, pp. A27-A35.
  • Van Sickle, John J., and Thomas H. Spreen. "Florida Without Methyl Bromide." Citrus and Vegetable Industry Magazine 56(Nov., 1994):26-8.
  • York, Alison, Ronald P. Muraro, and Thomas H. Spreen. "The Inter-American Citrus Data Network." Economic Information Report 94-5, Univ. of Fla., December 1994.
  • Spreen, Thomas H., and Mark A. Brown. "The North American Free Trade Agreement and the World Orange Juice Market." International Working Paper IW95-15, Food and Resource Economics Department, University of Florida, July 1995.
  • Spreen, Thomas H., Armando Nova Gonzalez, and Ronald P. Muraro. "The Citrus Industries in Cuba and Florida." International Working Paper IW96-2, Food and Resource Economics Department, University of Florida, January 1996.
  • Spreen, Thomas H., Ronald P. Muraro, and Juan Pablo Mondragon. "The Impact of NAFTA and the Peso Devaluation on the Citrus Industry of Mexico." International Working Paper IW96-5, Food and Resource Economics Department, University of Florida, March 1996.
  • Muraro, Ronald P., Thomas H. Spreen, and Armando Nova Gonzalez. "An Overview of the Cuban Citrus Industry." Citrus Industry. 77:6(June, 1996): 12-15.
  • Spreen, Thomas H., and Juan Pablo Mondragon. "The Tariff Schedule for Imported FCOJ." Citrus Industry. 77:10(October, 1996): 10-12.
  • Muraro, Ronald P., and Thomas H. Spreen. "Recent Developments in the Cuban Citrus Industry." Proceedings of the Florida State Horticultural Society 109(1996): 110-14.
  • Spreen, Thomas H., and Ronald P. Muraro. "Interrelationships and Competition in the World Orange Juice Market." Citrus & Vegetable Magazine 62:3(Nov., 1997): 6-12. Also published as International Working Paper IW97-14, Food and Resource Economics Department, University of Florida, September 1997.
  • Muraro, Ronald P., and Thomas H. Spreen. "Costs Associated With Producing and Marketing Bulk FCOJ for Sao Paulo, Brazil." Citrus and Vegetable Magazine 62:4(Dec., 1997): 6-8.
  • Muraro, Ronald P., and Thomas H. Spreen. "Cuban Citrus Industry Transition into the International Free Market Arena." Proceedings of the Florida State Horticultural Society 111(1998): 169-73.
  • Muraro, Ronald P., and Thomas H. Spreen. "Recent Developments in the Cuban Citrus Industry." Extension Digital Information Source (EDIS), FRE266, Food and Resource Economics Department, University of Florida, 1999. Available at http://edis.ifas.ufl.edu/FE266.
  • Muraro, Ronald P., and Thomas H. Spreen. "Cuban Citrus Industry Transition into the International Free Market Arena." Extension Digital Information Source (EDIS), FRE267, Food and Resource Economics Department, University of Florida, 1999. Available at http://edis.ifas.ufl.edu/FE267.
  • Brown, Mark A., Thomas Spreen, and Rene Goodrich. "Trends in the NFC Orange Juice Segment." Citrus Industry 81:1(January 2000): 18-19.
  • Muraro, Ronald P., Thomas H. Spreen, and Fritz M. Roka. "Focus on Brazil." Citrus Industry 81:1(January 2000):20-2.
  • Thornsbury, Suzanne, and Thomas H. Spreen. “The U.S. Grapefruit Industry.” Fruits and Tree Nuts: Situation and Outlook. Market and Trade Division, Economics Research Service, United States Department of Agriculture, September, 2000, pp. 46-56.
  • Brown, Mark A., and Thomas H. Spreen. “An Economic Assessment of the Impact of the Citrus Tristeza Virus on the Florida Grapefruit Industry.” Proceedings of the Florida State Horticultural Society 113(2000): 79-82.
  • Garcia, Luis R., Thomas H. Spreen, and Gretchen Greene. “Structural Reform and Implications for Mexico’s Sweetener Market.” International Working Paper IW 00-10, Food and Resource Economics Department, University of Florida, October 2000.
  • Spreen, Thomas H., and Waldir Fernandes, Jr. “Consolidation in the Florida Citrus Processing Industry.” Citrus Industry 81:10(October 2000): 22-3.
  • Nova Gonzalez, Armando, Thomas Spreen, and Carlos Jauregui. “The Citrus Industry in Cuba 1994-1999.” International Working Paper IW 01-4, Food and Resource Economics Department, University of Florida, March 2001.
  • Spreen, Thomas H. and Ron Muraro. “The World Market for Citrus Products and Risk Management for Florida Citrus Growers.” Extension Digital Information Source (EDIS), FE195, Food and Resource Economics Department, University of Florida, October 2000. Reprinted in Citrus & Vegetable Magazine 66(April 2001): 10-16.
  • Hodges, Alan, Effie Philippakos, David Mulkey, Thomas H. Spreen, and Ronald P. Muraro. “Economic Impact of Florida’s Citrus Industry, 1999-00.” Economic Information Report EI 01-02, Food and Resource Economics Department, University of Florida, July 2001.
    Fernandes, Waldir B, Thomas H. Spreen, and Marcos Neves. “Brazil” Florida Grower Annual Edition, Citrus 2001, August 2001, pp.18-9.
  • Bocardo, Arturo, Thomas H. Spreen, and Waldir B. Fernandes, Jr. “Mexico.” Florida Grower Annual Edition, Citrus 2001, August 2001, pp.23-4.
  • VanSickle, John J and Thomas H. Spreen. “Outlook for Fresh and Processed Citrus in the United States.” California Citrus Mutual Journal 2001, pp.21-4.
  • Muraro, Ronald P., Fritz Roka, and Thomas H. Spreen. “An Overview of Argentina’s Citrus Canker Control Program.” Extension Digital Information Source (EDIS) FE 285, Food and Resource Economics Department, University of Florida, September 2001.
  • Muraro, Ronald P., Fritz Roka, and Thomas H. Spreen. “Grower Costs of Having Citrus Canker in Florida.” Extension Digital Information Source (EDIS) FE 286, Food and Resource Economics Department, University of Florida, September 2001. Available at http://edis.ifas.ufl.edu/FE286
  • Spreen, Thomas H., Waldir Fernandes, Jr., Cristiano Moreira, and Ronald P. Muraro. “An Economic Evaluation of Hamlin Versus Valencia Orange Production in Florida.” Extension Digital Information Source (EDIS) FE 300, Food and Resource Economics Department, University of Florida, September 2001. Available at http://edis.ifas.ufl.edu/FE300
  • Spreen, Thomas H. “Terrorist Attacks in New York City and Washington, D.C.: Implications for the Florida Citrus Industry.” Extension Digital Information Source (EDIS) FE 313, Food and Resource Economics Department, University of Florida, September 2001. Available at http://edis.ifas.ufl.edu/FE313
  • Hodges, Alan, Effie Philippakos, David Mulkey, Thomas H. Spreen, and Ronald P. Muraro. “Economic Impact of Florida’s Citrus Industry, 1999-00.” Extension Digital Information Source (EDIS) FE 307, Food and Resource Economics Department, University of Florida, October 2001. Available at http://edis.ifas.ufl.edu/FE307
  • Spreen, Thomas H., Mark G. Brown, and William Messina. “The Potential Impact of Hurricane Michelle on Cuba’s Citrus Industry.” Extension Digital Information Source (EDIS) FE328, Food and Resource Economics Department, University of Florida, October 2001. Available at http://edis.ifas.ufl.edu/FE328
  • Brown, Mark G., Jonq-Ying Lee, and Thomas H. Spreen. “The Decline in the Domestic Market for Florida Fresh Grapefruit.” Staff Paper SP 01-15, Food and Resource Economics Department, University of Florida, Gainesville, FL, November 2001, 6 pp.
  • Thornsbury, Suzanne, Mark Brown, and Thomas H. Spreen. “U.S. Fresh Citrus and Global Markets.” Extension Digital Information Source (EDIS) FE325, Food and Resource Economics Department, University of Florida, December 2001. Available at http://edis.ifas.ufl.edu/FE325
  • Muraro, Ronald P., and Thomas H. Spreen. “Costs for Processed Oranges: A Comparison of Florida and Sao Paulo, Brazil.” Citrus Industry 83:8(August 2002): 8-10.
  • Brown, Mark G., and Thomas H. Spreen. “The Impact of the Reduction of the Australian Orange Juice Tariff.” PBTC-02-06, International Agricultural Trade and Policy Center, Food and Resource Economics Department, University of Florida, December, 2002.
  • Muraro, Ronald P., and Thomas H. Spreen. 2003. “Comparative Marketing Costs for FCOJ from Florida and Sao Paulo.” Extension Digital Information Source (EDIS) FE363, Food and Resource Economics Department, University of Florida, February 2003. Available at http://edis.ifas.ufl.edu/FE363
  • Muraro, Ronald P., Thomas H. Spreen, and Marcos Pozzan. “Comparative Costs of Growing Citrus in Florida and Sao Paulo (Brazil) for the 2000-01 Season.” Extension Digital Information Source (EDIS) FE364, Food and Resource Economics Department, University of Florida, February 2003. Available at http://edis.ifas.ufl.edu/FE364
  • Spreen, Thomas H. “Projections of World Citrus Production and Consumption to 2010.” Fruit Processing 13(2003): 378-85.
  • Hodges, Alan, W. David Mulkey, Ronald P. Muraro, and Thomas H. Spreen. “County Property Values and Tax Impacts of the Florida Citrus Industry.” Extension Digital Information Source (EDIS) FE437, Food and Resource Economics Department, University of Florida, November 2003. Available at http://edis.ifas.ufl.edu/FE437
  • Muraro, Ronald P., Mark G. Brown, and Thomas H. Spreen. “The Potential of Generic Orange Advertising in the European Union.” Citrus Industry Vol. 85:5(May 2004):18-19.
  • Muraro, Ronald P., Mark G. Brown, Thomas H. Spreen, and Waldir B. Fernandes, Jr. “Como Campanhas Publicitarias Institucionais para o Consumo de Suco de Laranja na Europa podem Aumentar a Renda do Citricultor.” Citricultura Atual Vol. 8 (April 2004): 8-10. (in Portuguese)
  • Zansler, Marisa L., Thomas H. Spreen, and Ronald P. Muraro. “Florida’s Citrus Eradication Program (CCEP): A Benefit-Cost Analysis.” Extension Digital Information Source (EDIS) FE531, Food and Resource Economics Department, University of Florida, March 2005. Available at http://edis.ifas.ufl.edu/FE531
  • Zansler, Marisa L., Thomas H. Spreen, and Ronald P. Muraro. “Florida’s Citrus Eradication Program (CCEP): Summary of Annual Costs and Benefits.” Extension Digital Information Source (EDIS) FE532, Food and Resource Economics Department, University of Florida, March 2005. Available at http://edis.ifas.ufl.edu/FE532
  • Spreen, Thomas H., Marisa Zansler, and Ronald P. Muraro. “Florida’s Citrus Eradication Program (CCEP): Annual Economic Impact on Florida’s Processed Orange Industry.” Extension Digital Information Source (EDIS) FE533, Food and Resource Economics Department, University of Florida, June 2005. Available at http://edis.ifas.ufl.edu/FE533
  • Spreen, Thomas H., Marisa Zansler, and Ronald P. Muraro. “Florida’s Citrus Eradication Program (CCEP): Annual Economic Impact on Florida’s Fresh and Processed Grapefruit Industry.” Extension Digital Information Source (EDIS) FE534, Food and Resource Economics Department, University of Florida, August 2005.
  • Zanlser, Marisa, Thomas H. Spreen, and Ronald P. Muraro. “Florida’s Citrus Eradication Program (CCEP): Annual Economic Impact on Florida’s Specialty Citrus Fruit Market.” Extension Digital Information Source (EDIS) FE535, Food and Resource Economics Department, University of Florida, September 2005. Available at http://edis.ifas.ufl.edu/FE535
  • Messina, William A., Jr, and Thomas H. Spreen. “Hurricane Dennis’ Impact on Cuban Agriculture.” Extension Digital Information Source (EDIS) FE570, Food and Resource Economics Department, University of Florida, September 2005. Available at http://edis.ifas.ufl.edu/FE570
  • Ambler, Nathan P., James A. Sterns, Allen F. Wysocki, and Thomas H. Spreen. “The Economic Impact of Bulk Aseptic Storage, Transportation, and Packaging.” Food and Resource Economics Department, University of Florida, Staff Paper SP 06-1, July 2006.
  • Spreen, Thomas H. “Grower-Processor Relationships and Logistic Issues Associated with the Adoption of Mechanical Harvesting of Citrus in Florida.” Proceedings of the Florida State Horticultural Society 119(2006): 210-11.
  • Spreen Thomas H., Mark G. Brown, Ronald P. Muraro, and Gilberto Tozatti. “Uma analise sobre a industria de suco de laranja no mundo.” Citricultura atual Published by Grupo de Consultores em Citrus, Sao Paulo, Brazil, 2006, pp. 16-7.
  • Muraro, Ronald P., Fritz Roka, Thomas H. Spreen, and Marcus Timpner. “The Phantom Costs of Florida’s Citrus Industry.” Extension Digital Information Source (EDIS) FE669, Food and Resource Economics Department, University of Florida, January 2007. Available at http://edis.ifas.ufl.edu/FE669
  • Searcy, Jacob, Fritz Roka, and Thomas H. Spreen. “Reconciling Grower and Processor Objectives when Deciding to Harvest Juice Oranges.” Proceedings of the Florida State Horticultural Society 120(2007) forthcoming.
  • Spreen, Thomas H., Mark Brown, and Ronald P. Muraro. “The Projected Impact of Citrus Greening on Sao Paulo and Florida.” Proceedings of the Florida State Horticultural Society 120(2007) forthcoming.

Honors and Awards

  • Lifetime Achievement Award, Southern Agricultural Economics Association, 2006
  • Faculty Appreciation Award, presented by the Graduate Student Organization, Food and Resource Economics Department, 1986, 95, 99.
  • Interdisciplinary Research and Extension Team Award, Institute of Food and Agricultural Sciences, University of Florida, 2000
 
Thomas H. Spreen
Contact Information
  • Thomas H. Spreen
    2117 MCCB
    P.O. Box 110240 IFAS
    Gainesville, FL 32611-0240
    352-294-7688
    E-mail
Degrees
  • B.S., Mathematics, Purdue University, 1973 (highest honors)
  • M.S., Statistics, Purdue University, 1974
  • Ph.D., Agricultural Economics, Purdue University, 1977
Courses Taught
  • AEB 6533, Static and Dynamic Optimization Models in Agriculture
  • AEB 6592, Applied Mathematical Programming
    AEB 6106 Microeconomic Principles