摘要
主要研究国内大豆市场之间、国内与国际大豆市场之间的价格影响与作用机制。本文分析了各市场价格变化之间的因果关系,各市场之间相对价格差异调整的速度。并从计量经济学的模型检验了变量价格序列数据之间是否是协整的关系及确认了它们之间格兰杰意义上的因果关系走向。
This paper mainly studies the price effect and mechanism among domestic soybean markets,domestic markets and international markets,which leads to these discussion questions： Is there any causality in the changes of different market prices？ If there is causality,what is the mechanism to produce the causality？ Which price changes earlier,which price changes later and which price disturb the other？ Does the soybean price difference coming from all the markets regulate quickly or slowly？ From the angle of econometrics,the paper analyses the integration and causality between domestic and international soybean market.
关键词
大豆市场
价格整合
作用机制
Soybean market
Price co-integration
Working mechanism
