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Wallace E Tyner

Agricultural Economics 

  • James & Lois Ackerman Professor of Agricultural Economics
Krannert Room 591B

Papers, Presentations

Long CV

Professor Tyner's research interests are in the area of energy, agricultural, and natural resource policy analysis and structural and sectoral adjustment in developing economies. His work in energy economics has encompassed oil, natural gas, coal, oil shale, biomass, ethanol from agricultural sources, and solar energy. Much of his recent work has focused on economic and policy analysis for biofuels.

His recent international work has focused on agricultural trade and policy issues in developing economies, particularly in the Middle East, North Africa, and West Africa. Professor Tyner has extensive overseas experience in Asia, Africa, the Middle East, and Central and Eastern Europe including short term assignments in seventeen countries. He also has long term overseas experience in India and Morocco. He is fluent in French.

Dr. Tyner and his students have received numerous awards from Purdue and the AAEA. In 2005 he received the AAEA Distinguished Policy Contribution Award. In 2007 he received the “Energy Patriot Award” from Senator Richard Lugar. In 2009, he was named the Outstanding Graduate Educator in the College of Agriculture, received the College Team award (with colleagues) for biofuels research, and received (with Abbott and Hurt) the AAEA Quality of Communication award. He teaches a graduate course in benefit-cost analysis.

Professor Tyner is author or co-author of three books: Energy Resources and Economic Development in India; Western Coal: Promise or Problem (with R. J. Kalter); and A Perspective on U.S. Farm Problems and Agricultural Policy (with Lance McKinzie and Tim Baker).

Recent publications include:  “Analysis of US Renewable Fuels Policies Using a Modified MARKAL Model”, Renewable Energy (2013); “Incorporating Recent Land Use Change Data into Simulations of Biofuels Land Use Change.” Applied Sciences (2013); "Livestock Industry in Transition: Economic, Demographic, and Biofuel Drivers." Animal Frontier (2013); ”Environmental tradeoffs of stover removal and erosion in Indiana.” Biofuels, Bioproducts, and Biorefining, (2013); “Biofuels and agriculture: a past perspective and uncertain future.”  International Journal of Sustainable Development & World Ecology (2012); “Structural change in the biofuels era.” European Review of Agricultural Economics  (2012); “Validating energy-oriented CGE models” Energy Economics (2011); What’s Driving Food Prices in 2011?, Farm Foundation (2011); “Energy and greenhouse gas emission effects of corn and cellulosic ethanol with technology improvements and land use changes” Biomass and Bioenergy (2011); “Alternative Pathways for Fulfilling the RFS Mandate” American Journal of Agricultural Economics (2011); “The Effects of Electricity Pricing on PHEV Competitiveness” Energy Policy (2011); “Implications of biofuels mandates for the global livestock industry: a computable general equilibrium analysis” Agricultural Economics (2010); “The Integration of Energy and Agricultural Markets.” Agricultural Economics (2010); “Feed Demands and Co-product Substitution in the Biofuels Era” Agribusiness (2010); “Comparison of Fixed versus Variable Biofuels Incentives” Energy Policy (2010); “Transportation Infrastructure Implications of Development of a Cellulosic Biofuels Industry in Indiana” Journal of the Transportation Research Forum (2010); “Biofuels and their By-Products: Global Economic and Environmental Implications” Biomass and Bioenergy (2010); “Global Impacts of Biofuels” Energy Journal (2010).

Awards & Honors

(2013) Distinguished Graduate Teaching - Ten or More Years' Experience. Agricultural and Applied Economics Association.

(2012) Outstanding MS thesis. Purdue University.

(2010) Member - Committee on the Economic and Environmental Impacts of Biofuels. National Academy of Sciences.

(2009) Outstanding Graduate Educator. Purdue University College of Agriculture.

(2009) Purdue College of Agriculture "Team Award". Purdue College of Agriculture.

(2009) Quality of Communication. Agricultural and Applied Economics Association.

(2005) Distinguished Policy Contribution. American Association of Agricultural Economics.

(2005) Ph D student Lixia He outstanding dissertation award. Agricultural Economics Department - Purdue.

(2005) Purdue University "A Seed for Success" Award. Purdue.

(2005) Senior Specialist Award. Fulbright.

Selected Publications

Taheripour, F., Hurt, C., & Tyner, W. E. (2013). Livestock Industry in Transition: Economic, Demographic, and Biofuel Drivers. Animal Frontiers, 3(2), 38-46.

Taheripour, F., & Tyner, W. E. (2013). Incorporating Recent Land Use Change Data into Simulations of Biofuels Land Use Change. Applied Sciences, 3, 14-38.

Tyner, W. E. (2013). Developing biofuels supply chains. Biofuels, 4(1), 21-23.

Tyner, W. E. (2013). Pity the Poor Biofuels Policy Maker. Biofuels, 4(3), 259-61.

Tyner, W. E. (2013). The US Renewable Fuel Standard Up Against the Wall. Biofuels, 4(5), 475-78.

English, A., Tyner, W. E., Sesmero, J., Owens, P., & Muth, D. (2013). Environmental tradeoffs of stover removal and erosion in Indiana. Biofuels, Bioproducts, and Biorefining, 7, 78-88.

Tyner, W. E. (2013). Are We Fueling Poverty?” Review of Biofuels and Rural Poverty. Bioscience, 63(7), 597-99.

Tyner, W. E. (2013). The Renewable Fuel Standard - Where Do We Go From Here?. Choices, 28(4), 1-5.

Fiegel, J., Taheripour, F., & Tyner, W. E. (2013). Development of a Viable Corn Stover Market: Impacts on Corn and Soybean Markets,, 12 pages. Retrieved from

Tyner, W. E., & Taheripour, F. (2013). Land-use Changes and CO2 Emissions Due to US Corn Ethanol Production. In Encyclopedia of Biodiversity (Vol. 2nd edition, pp. 539-554). Waltham, MA: Academic Press.