【摘要】 介绍了吉林省粮食作物种植面积和产量概况,基于大卫·李嘉图的比较优势理论,对吉林省主要粮食作物的效率比较优势指数、规模比较优势指数进行了计算和分析,结果显示:吉林省在水稻、玉米等主要粮食作物生产效率上与全国相比并无显著优势,但玉米、高粱、大豆等作物同全国相比具有规模优势。针对这一结论,对优化吉林省粮食作物种植结构及未来粮食增收提出了相应建议。更多还原

【Abstract】 The planting area and yield of grain crops in Jilin Province was introduced. Based on David Ricardo’s comparative advantages theory,the efficiency comparative advantage index and scale comparative advantage index of the major grain crops in Jilin Province were calculated and analyzed. The results showed that there are no obvious advantages on efficiency comparative advantage index of the major grain crops in Jilin Province compared with the whole nation,such as rice and maize. But maize,sorghum,soybean have scale comparative advantages.Aiming at the conclusion,several corresponding suggestions for optimizing planting structure of grain crops in Jilin Province and grain income increasing in the future were put forward.更多还原