Abstract and keywords
Abstract (English):
Based on the differences in the degree of marketization of different varieties, the objects of research for comparative analysis were selected rice and imported soybeans. The asymmetric ARCH model was used to compare and analyze the response of rice purchase prices and wholesale rice prices to impacts in different directions. Based on this, the differences in the degree of market integration between rice and soy were identified and the reasons for this were explained. The use of price theory to analyze the inefficient transmission of vertical prices affects the stable and balanced development of the entire grain market.

price fluctuation, price transmission, market integration, market structure, policy regulation

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