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Title: Do Refuge Requirements for Biotechnology Crops Promote Economic Efficiency? Some Evidence for Bt Cotton
Authors: Livingston, Michael J.
Storer, Nicholas P.
Van Duyn, John W.
Kennedy, George G.
Keywords: bollworm
Bt cotton
structured refuge
unstructured refuge
JEL Codes: Q16
Issue Date: 2007-04
Abstract: We examine producer behavior, resistance evolution, and returns under alternative refuge requirements in an eastern North Carolina region with multiple corn, cotton, and soybean fields infested by a mobile pest. Returns are highest, pyrethroid sprays occur least frequently, and pyrethroid resistance evolution is delayed most effectively with no refuge requirement. Complying with the current 20% refuge requirement costs the producer $8.67 per cotton acre, or $34.21 per non-transgenic insecticidal (Bt) cotton acre. Returns are highest under each refuge requirement when one-toxin Bt cotton is not phased out; however, removal of the technology at the earliest phase-out date minimizes regional pyrethroid sprays.
Institution/Association: Journal of Agricultural and Applied Economics>Volume 39, Number 01, April 2007
Total Pages: 15
From Page: 171
To Page: 185
Collections:Volume 39, Number 01, April 2007

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