摘要
结构变化是统计学和计量经济学的重要内容。本文尝试运用Bai-Perron多重结构变化检验方法对农产品价格进行实证研究,刻画中国农产品市场发展的阶段性特征。结果表明,主要农产品价格的结构变化点能够很好地反映市场的实际运行,小麦、生猪以及蔬菜价格的阶段特征在农产品价格结构变动分析中得到体现。
Structural change is an important content in statistics and econometrics. This paper attempted to use the Bai-Perron test to detect multiple structural changes in agricultural products prices series,which depicted the stage characteristics in the evolution of China’s agricultural products market. The results showed that the breaking points were able to reflect the actual operation of the agricultural market. The main stage characteristics of wheat,hog and vegetable price series were seen from the structural changes.
出处
《中国食物与营养》
2015年第6期50-54,共5页
Food and Nutrition in China
基金
中国农业科学院创新工程经费支持
