Jiang Changyun, Li Xiange, Dong Huan: Changes in grain self-sufficiency rates in Japan and Korea and their implications

Vice President Jiang Changyun, together with Li Xiange and Dong Huan, published a paper entitled "Changes and Implications of Grain Self-sufficiency in Japan and Korea. Due to the long length of the original text, the relevant content is published in two parts in the first issue of "Agricultural Economic Issues" in 2014 and the third issue of "Macroeconomic Research" in 2014. The appendix is the original text.