机会+成本=机会成本.
算算帐就知道了.划不来地...
太可惜了...
牛市做空=耽误了做多的机会,还=增加了做多的成本
波段才是金 (2009-11-17 13:17:50) 评论 (1)机会+成本=机会成本.
算算帐就知道了.划不来地...
太可惜了...
海外博客
牛市做空=耽误了做多的机会,还=增加了做多的成本
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