Biological Invasions: The Case of Soybean Aphid Infestation
Soybeans, the second highest cash crop following corn in the U.S., have come under attack by invasive species, the soybean aphid from the North and soybean rust from the South. We estimated the economic losses resulting from soybean aphid infestation by using a dynamic equilibrium model. Results indicate that, first, the reduction of soybean production resulting from soybean aphid infestation is largely absorbed by reducing soybean exports, due to the higher price elasticity of export demand compared to the domestic demand. Second, the economic losses to U.S. soybean producers would grow on average annually between $12.8 million and $23.4 million during the first five years of infestation. In the longer-run, soybean producers would suffer greater economic losses as the dispersion rate of infested soybean acreage with soybean aphids rises. However, the successful discovery of the soybean aphid gene (TF04048) Rag-1 (which confers resistance) does not at this time warrant soybean growers and policy-makers becoming too seriously alarmed. Even so, time is an important factor in the eventual control of the soybean aphid.
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- Torre Ugarte, Daniel de la & Sanford, Scott & Skinner, Robert A. & Westcott, Paul C. & Lin, William W., 2000.
"Supply Response Under The 1996 Farm Act And Implications For The U.S. Field Crops Sector,"
33568, United States Department of Agriculture, Economic Research Service.
- Lin, William W. & Westcott, Paul C. & Skinner, Robert & Sanford, Scott & De La Torre Ugarte, Daniel G., 2000. "Supply Response Under the 1996 Farm Act and Implications for the U.S. Field Crops Sector," Technical Bulletins 184369, United States Department of Agriculture, Economic Research Service.
- Kim, C.S. & Lubowski, Ruben N. & Lewandrowski, Jan & Eiswerth, Mark E., 2006. "Prevention or Control: Optimal Government Policies for Invasive Species Management," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 35(1), April.
- Kim, C.S. & Lubowski, Ruben N. & Lewandrowski, Jan & Eiswerth, Mark E., 2006. "Prevention or Control: Optimal Government Policies for Invasive Species Management," Agricultural and Resource Economics Review, Cambridge University Press, vol. 35(01), pages 29-40, April. Full references (including those not matched with items on IDEAS)
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