A Dynamic Analysis of Prices in the U.S. Rice Marketing Channel
用格兰杰因果检验和动态乘数分析美国大米营销渠道中价格之间的动态关系，揭示价格调整的速度和幅度，帮助理解价格时间序列的经济联系。
Abstract Granger causality tests and dynamic multipliers are used to explore the dynamic relationship among prices in the U.S. rice marketing channel. The dynamic multipliers provide information about the speed and magnitude of dynamic price adjustments that is not provided by the Granger causality tests. This information is shown to be useful in explaining the underlying economic relationship among the time series of prices. KEY WORDS: Dynamic multipliersGranger causalityRice pricesTime series