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英文文献：Drivers of technical efficiency and technology gaps in Ghana’s mango production sector: a stochastic metafrontier approach-加纳芒果生产部门技术效率和技术差距的驱动因素:一种随机的超弹性方法
英文文献作者：Mensah, Amos,Brummer, Bernhard
英文文献摘要：
Mango production and exports in Ghana have been increasingly volatile over the past years. After a successful take-off of the sector in the early 2000s, output and international market share decreased. In this study, the reasons for the lacklustre performance on the production side are considered using survey data from Ghana. Technical inefficiencies and technology gaps of smallholder mango producers are analysed. A metafrontier framework allows for separating production inefficiencies caused by bad agronomic and management practices from technology gaps. The results show that each production zone requires specifically targeted programs in order to improve technical efficiency.
过去几年，加纳芒果的生产和出口越来越不稳定。该行业在本世纪初成功起飞后，产量和国际市场份额下降。在本研究中，使用加纳的调查数据来考虑生产方面表现不佳的原因。分析了小规模芒果生产者的技术效率低下和技术差距。超弹性框架允许从技术差距中分离由不良农艺和管理做法造成的生产效率低下。结果表明，为了提高技术效率，每个生产区域都需要有针对性的方案。
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