流通商市场势力对天津市农产品价格波动的影响分析

Analysis on the Influence of Market Power of Circulation on the Price Fluctuation of Agricultural Products in Tianjin

农产品价格波动,影响因素众多,而大型批发商以及零售商对价格波动的影响值得深入研究。基于天津市2006年至2019年时间序列数据,构建勒纳指数,通过多元回归模型对大型批发商以及零售商的市场势力对天津市农产品价格的影响机理进行分析。结果表明,天津市限额以上农产品批发企业法人单位数、天津市居民消费价格指数、天津市限额以上零售业勒纳指数均对农产品市场价格波动产生影响,其中天津市限额以上农产品批发企业法人单位数的影响较小。最后,从建立农产品价格预警机制、加强农产品流通体系建设等方面提出政策建议。

There are numerous factors which cause the fluctuation of the prices of agricultural products.In these factors,the influence of large-scale wholesalers and retailers to the fluctuation of the prices deserve further study.This thesis constructed lerner index,based on the time series data of Tianjin from 2006 to 2019,and analyzed the influence mechanism of market power of the large-scale wholesalers and the retailers to the prices of Tianjin agricultural products by multivariate regression model.The results showed that the out of limit number of enterprise legal person units of the agricultural products of Tianjin,the consumer price index of Tianjin,the out of limit number of lerner index of retailers of Tianjin all had an impact on the fluctuation of the market prices of agricultural products of Tianjin.And the influence of the out of limit number of enterprise legal person units of Tianjin was less than others.At last,the suggestions were to establish an early warning mechanism of agricultural prices and to strengthen the circulation system of agricultural products.