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英文文献：Fertilizer subsidy and agricultural productivity in Senegal-塞内加尔的化肥补贴和农业生产率
英文文献作者：Seck, Abdoulaye
英文文献摘要：
In a consistent effort to raise productivity and unlock the unrivaled economic and social potentials of the agricultural sector, the Senegalese government, as many of its African counterparts, has designed and implemented heavy subsidy programs, some of which targeting the use of inputs. This paper assesses the potential impact of fertilizer subsidy on farmers' productivity. Using a farm-level survey data from the Senegal River Valley, the paper develops a two-part methodology: first the data envelopment analysis is used to generate efficiency scores, and then the latter is related to the subsidy program using an endogenous treatment-regression model that accounts for potential endogeneity and self-selectivity issues. The results indicate that the subsidy programs seem to be working, as they appear to be associated with increased efficiency. The results also suggest ways to improve the effectiveness of the subsidy program as well as additional policy options to further unlock the agricultural potentials.
为了持续努力提高生产力，释放农业部门无与伦比的经济和社会潜力，塞内加尔政府与许多非洲国家政府一样，设计并实施了大量补贴计划，其中一些针对的是投入的使用。本文评估了化肥补贴对农民生产力的潜在影响。使用从塞内加尔河谷农场层次的调查数据,本文发展一个两部分的方法:首先将数据包络分析是用于生成效率得分,然后后者相关补贴计划使用一个内生treatment-regression模型占潜在的内生性和self-selectivity问题。结果表明，补贴计划似乎正在起作用，因为它们似乎与提高效率有关。研究结果还提出了提高补贴计划有效性的方法，以及进一步释放农业潜力的额外政策选择。
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