机译:中国玉米价格与玉米进出口贸易关系的实证研究
School of Economics Yangtze University, Jingzhou 434023, China;
Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou 434025, China;
School of Economics Yangtze University, Jingzhou 434023, China;
Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou 434025, China;