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生猪价格与玉米价格动态调整关系研究
Authors
吴仁水
徐小华
邵碧云
黄位荣
Publication date
15 February 2011
Publisher
Abstract
采用回归、Granger检验、协整检验和Enders-Siklos检验研究生猪价格与玉米价格间的动态调整关系。结果表明:两者呈正相关关系,玉米价格是生猪价格变化的Granger原因。生猪价格与玉米价格存在线性协整关系;Enders-Siklos检验表明两者间存在门限惯性长期均衡关系,生猪价格与玉米价格差减少时的调整速度比增加时的调整速度快。价值规律的作用,政府的不同应对措施和生猪生产过程的特点等是上述结果产生的主要原因。提出了改进生猪价格发布信息平台、普及相关信息到基层养猪农户和广大消费者,以形成良好的市场预期;在影响猪价及引导猪农决策的时候充分考虑两价格之间的非对称调整关系等建议
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Last time updated on 16/06/2016