Causality of Future and Spot Grain Prices Between China and the US: Evidence from Soybean and Corn Markets Against the Surging Import Pressure

CAO Zhengwei1* (曹正伟), GU Haiying1 (顾海英), ZHOU Weimin1 (周伟民), YAN Shuqin2 (阎淑琴),ITO Shoichi2 (伊东正一), ISODA Hiroshi2 (磯田宏)

Journal of shanghai Jiaotong University (Science) . 2016, (3): 374 -384 . DOI: 10.1007/s12204-016-1736-x