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The Society for Industrial and Applied Mathematics (SIAM) designated
one Outstanding team from each problem as a SIAM Winner. The SIAM
Award teams were from Zhejiang University (Leaf Problem) and th...
The 2011 MCM began at 8:00 P.M. EST on Thursday, February 10, and ended
at 8:00 P.M. EST on Monday, February 14. During that time, teams of up to
three undergraduates researched, modeled, and submit...
北京师范大学2010年美国建模竞赛Outstanding论文
sweet spot bat
2015/5/8
Explain the “sweet spot” on a baseball bat. Every hitter knows that there is
a spot on the fat part of a baseball bat where maximum power is transferred to
the ball when hit. Why isn’t this spot at ...
Less than 1% of the ocean floor is covered by coral. Yet 25% of the ocean’s
biodiversity is supported in these areas. Thus, conservationists are concerned
when coral disappears, since the biodiversi...
美国和日本在华直接投资与中美贸易差额的关系
美日FDI 中美贸易差额 Johansen协整检验 误差修正模型
2009/9/27
针对美中贸易差额不断扩大而美国日本在华直接投资(FDI)与日俱增的特点,研究了美国和日本在华直接投资 对中美贸易差额的影响.文章通过Johansen协整检验、误差修正模型、格兰杰因果检验等计量方法对美日在华直接投资与美中贸易的关系进行了实证检验, 结果表明: 1989--2006年, 美中贸易和美日在华FDI之间存在互补关系, 美日在华FDI对美中贸易总进口尤其是工业品进口产生 显著的正向影响,...