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    Sample Variance

    Hi all ... I want to know why we need sample variance when we already have our 'regular' formula for calculating variance. The following extract is from Miller, Chapter 3 ... Basic Statistics
  2. U

    Lowering Cost of Capital

    One of the advantages for a firm to hedge its risk exposures is 'the possibility of lowering its cost of capital (debt or equity), which could lead to increased economic growth.' Q. How lowering its cost of capital may benefit a firm? Thank you
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