乳制品进口对中国不同规模奶牛养殖效率的影响
魏艳骄,朱晶

Effects of dairy imports on the efficiency of cow farming operations of different scales in China
Yanjiao WEI,Jing ZHU
图4 进口竞争增加时市场整合中的养殖户(场)
资料来源:参考Melitz等[5]
Figure 4 Cow farming subjects’ market integration when import competition intensifies