Fluctuation traits of Litchi wholesale price in China

[摘要] This paper chose the wholesale price of litchi as research object based on the daily data of 11 main sales markets in China - Beijing, Chengdu, Guangzhou, Hefei, Jiaxing, Nanjing, Shanghai, Shenyang, Changsha, Zhengzhou and Chongqing from April 1, 2012 to September 30, 2016. After analyzing the fluctuation characteristics with BP filter method and H-P filter method, and the fluctuation trends of litchi wholesale price in China obtained by BP filter are roughly consistent with the trends obtained by H-P filter. The main conclusions are as follows: there is strong cyclicality in the fluctuation of litchi wholesale price; the period of fluctuations of litchi wholesale prices are not repeatable; litchi wholesale price fluctuates asymmetrically in one fluctuation cycle.

[发布机构] Department of Economics and Management, South China Agricultural University, Guangzhou, Guangdong; 510642, China^1;National Litchi and Longan Industry's Technology System, Guangzhou, Guangdong; 510642, China^2

[效力级别] 生物科学

[关键词] Chongqing;Cyclicality;Daily datum;Filter method;Fluctuation characteristics;Research object;Sales market;Whole sale prices