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结合我国农产品结构变迁的演进历程,以线性图、直方图、平稳检验等相关统计为工具,对改革开放30多年来各类农产品价格指数间的相关性、中位数、峰度、偏度等指标进行了实证分析,结果表明:当前我国农产品价格波动幅度基本稳定,各类农产品价格均处于稳中有升的态势;且其波动受农产品产业结构变化的影响较明显,农林牧渔业结构的变化直接影响了农产品的价格发展趋势。
Based on the evolution of the structure of agricultural products in our country, the correlation, median, kurtosis, skewness and so on of the price index of various agricultural products over the past 30 years since the reform and opening up were analyzed with the related statistics such as linear graph, histogram and stationary test The results show that: At present, the volatility of the prices of agricultural products in our country is basically stable and the prices of various types of agricultural products are in a stable and upward trend; and the fluctuations are affected by the changes in the industrial structure of agricultural products. The structure of agriculture, forestry, animal husbandry and fishery Changes have a direct impact on the price trend of agricultural products.