期刊名称：Advance Journal of Food Science and Technology
印刷版ISSN：2042-4868
电子版ISSN：2042-4876
出版年度：2016
卷号：11
期号：1
页码：82-87
DOI：10.19026/ajfst.11.2359
出版社：MAXWELL Science Publication
摘要：As an important forest product, price fluctuation of edible fungi in China is in frequent tendency in recent years. Studying the price fluctuation of edible fungi products is conducive to corresponding policy formulation and the stability of market price of edible fungi products, in order to improve the ability to resist risks. In view of this, the study, taking mushrooms as an example, uses the ARMA model to determine the mean equation, builds the GARCH, TARCH, GARCH-M, EGARCH model and take data analysis of the monthly wholesale market price from January 2005 to December 2012. The results indicated: the price series of mushrooms has the characteristics of fat-tail and volatility clustering; the impact of price volatility on future in the mushroom market will gradually disappear; producers' expected return of investment on mushrooms increases with the price volatility of mushrooms; mushrooms price fluctuation have no obvious leverage effect.
