各位老大,帮我哦.
Let E(St|F0) = (pu + (1 - p)d)S0.
What is the necessary and sufficient condition to obtain a martingale, super or submartingale?
怎么做???要推出后面的.
p,u,d是常量
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Post By：2005/1/18 11:53:58 [显示全部帖子]
