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本文采用2008年1月至2014年4月重庆市猪肉价格、CPI、玉米价格、鸡肉价格及生猪价格的月度数据,通过VEC模型研究发现:短期来看,前一期猪肉价格、玉米价格、CPI、鸡肉价格及生猪价格对当期猪肉价格有正的影响,其中前一期猪肉价格和CPI对当期猪肉价格影响最大;从长期来看,生猪价格、CPI及鸡肉价格对猪肉价格有正效应,玉米对猪肉价格有负效应,其中生猪价格对猪肉价格的正效应影响最大。
In this paper, the monthly data of pork price, CPI, corn price, hog price and hog price in Chongqing from January 2008 to April 2014 were analyzed. According to the VEC model, in the short term, the price of pork, corn, CPI , The price of chicken and the price of hog have a positive impact on the current pork price. Among them, the previous period’s pork price and CPI have the greatest impact on the current pork price. In the long run, hog prices, CPI and chicken prices have a positive effect on pork prices. Corn, Negative effect on the price of pork, which hog prices on the positive effect of pork prices most affected.