文章基本信息

标题：Stock price responses on the German suspension of genetically modified maize
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作者：Robert Finger
期刊名称：Economics Bulletin
电子版ISSN：1545-2921
出版年度：2010
卷号：30
期号：3
页码：2220-2229
出版社：Economics Bulletin
摘要：This note investigates the effect of the German governments' decision to suspend the cultivation of genetically modified maize on the stock returns of involved companies. Moreover, the first announcement to investigate a ban as well as a court decision rejecting Monsanto's lawsuit against the suspension are considered. This study is motivated by the expectation that these decisions have consequences beyond the small German market for genetically modified maize. An event study is used to evaluate the economic impacts on stock returns of Monsanto, Bayer and BASF. We find slight evidence that stock prices of Monsanto and BASF responded negatively to the German suspension of genetically modified maize