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首页> 外文期刊>Outlook on Agriculture >Impact of European Union Generalized System of Preferences scheme on fruit and vegetable exports from East Africa: A preference margin approach
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Impact of European Union Generalized System of Preferences scheme on fruit and vegetable exports from East Africa: A preference margin approach

机译：欧盟广义偏好计划对东非水果和蔬菜出口的影响：偏好保证金方法

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We evaluate the impact of the Generalized System of Preferences (GSP) scheme on horticultural exports from Kenya, Tanzania and Uganda to the European Union (EU). The preference margin, computed as the difference between trade-weighted Most Favoured Nation's rate and the ad valorem equivalents(, is used as a proxy for the GSP scheme. The zero-inflated Poisson estimator is used to control for overdispersion and excess zero trade flows, while time-invariant effects control for heterogeneity. The findings suggest that the EU-GSP scheme promotes bean exports from the three East African states as well as pepper from Uganda. Conversely, the results suggest that the scheme seems not to enhance export of asparagus from Kenya, vegetables from Tanzania and bananas from Uganda to the EU.
机译：我们评估广义偏好（GSP）方案对欧盟（欧盟）的乡村园区园艺出口方案的影响。 作为贸易加权最受欢迎的国家速率和广告价等效物之间的偏好率（计算为GSP方案的代理）。零充气泊松估计器用于控制过度分散和超额零贸易流量 ，而时间不变效果控制的异质性。结果表明，欧盟-GSP方案促进了来自乌干达的三个东非国家的豆类出口。相反，结果表明该计划似乎不加强芦笋的出口 从肯尼亚，来自坦桑尼亚的蔬菜和乌干达的香蕉到欧盟。

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