(Solution Library) Financial economists define a security’s systematic risk (i.e., risk that is related to the market m’s risk) as β = cov(x, m) / var(m) where
Question: Financial economists define a security’s systematic risk (i.e., risk that is related to the market m’s risk) as \(\beta \) = cov(x, m) / var(m) where x = (the rate of return on a security - the risk free rate) and m = (the rate of return on market - the risk free rate). In other words, firms with \(\beta \) > 1 may be thought as "aggressive" stocks, and \(\beta \) < 1 as more "conservative" stocks than the total market. In worksheet Question 2 are the 5 years of monthly data for two securities and the total market (m).
- Calculate the correlation coefficient between American Can and Martin Marietta.
- Calculate the \(\beta \) value for American Can.
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