A decade of <Emphasis Type="Italic">Bt</Emphasis> cotton in Chinese fields: Assessing the direct effects and indirect externalities of Bt cotton adoption in China |
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Authors: | JiKun Huang JianWei Mi Hai Lin ZiJun Wang RuiJian Chen RuiFa Hu Scott Rozelle Carl Pray |
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Institution: | (1) Department of Agricultural Economics and Rural Development, Georg-August-University of Goettingen, Goettingen, 37073, Germany;(2) University of Warwick, Coventry, United Kingdom;(3) University of Hohenheim, Stuttgart, Germany |
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Abstract: | The objective of this study is to examine whether or not the gains from reduced spraying for bollworms are being sustained
more than one decade after the initial adoption in 2007. Based on farm-level data collected by the authors in 1999–2007 in
16 villages from 4 provinces, this study shows that insecticides applied for controlling bollworms have declined. This analysis
supports Chinese policy makers’ decision to not require refuges of non-Bt cotton fields. It also suggests that past studies
may have underestimated the benefits from adopting Bt technology. |
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Keywords: | biotechnology Bt cotton insecticide sustainability externalities China |
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