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  1. R

    Exam Feedback November 15, 2008

    Can't GARP provide 1 pencil and a good eraser after charging $700 for the exam??
  2. R

    Parametric and non-parametric approaches to volatility

    Hi David, Had a couple of questions w.r.t your spreadsheet. For the variance on n and n-1 columns; why do we multiply the weights and the period return to get the variance. Is this from the EWMA formula? I am little confused. Secondly, to get the lagged variance i.e. sigma squared of...
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