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Public Agriculture Research Spending and Future U.S. Agricultural Productivity Growth: Scenarios for 2010-2050

by Paul Heisey, Sun Ling Wang, and Keith Fuglie

Economic Brief No. (EB-17) 6 pp, July 2011

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By 2050, global agricultural demand is projected to grow by 70-100 percent due to population growth, energy demands, and higher incomes in developing countries. Meeting this demand from existing agricultural resources will require raising global agricultural total factor productivity (TFP) by a similar level. The rate of TFP growth of U.S. agriculture has averaged about 1.5 percent annually over the past 50 years, but stagnant (inflation-adjusted) funding for public agricultural research since the 1980s may be causing agricultural TFP growth to slow down. ERS simulations indicate that if U.S. public agricultural R&D spending remains constant (in nominal terms) until 2050, the annual rate of agricultural TFP growth will fall to under 0.75 percent and U.S. agricultural output will increase by only 40 percent by 2050. Under this scenario, raising output beyond this level would require bringing more land, labor, capital, materials, and other resources into production.

Keywords: Agricultural research, public research, economic benefit analysis, productivity, total factor productivity

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Last updated: Saturday, May 26, 2012

For more information contact: Paul Heisey, Sun Ling Wang, and Keith Fuglie

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