摘要
研究耕地与水资源、基础设施建设水平、科技水平、粮食政策、农民收入水平以及粮食价格等因素对粮食生产的影响,在确保信息量的基础上提取四个主成分:物质生产资料投入因子、劳动生产资料投入因子、农民收入因子以及政策因子,并根据权重公式以及综合评价公式,得到四个主成分的评价值和各个粮食主产区粮食比较优势生产的综合评价值,在以上工作的基础上提出针对性的对策建议。
This paper researches on factors impacting food production, and the factors include the arable land and water resource, the level of infrastructure construction, technological level, the policy of food, the level of farmers＇ income, and the price of food. On the basis of the assurance of the amount of information, four principal components are extracted： input factors of material means of production, input factors of labor productivity data, factors of farmers＇ income and factors of policy. By means of weight formula and comprehensive evaluation formula, two results have been obtained, one is the appraisal value of four principle components; the other is comprehensive evaluation of the comparative advantages of each major food-producing area. accordine to the above research, this naner nuts forward some
出处
《南京财经大学学报》
2012年第5期20-25,共6页
Journal of Nanjing University of Finance and Economics
关键词
粮食生产
比较优势
主成分分析
food production
comparative advantages
principal component analysis
