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Regressing both ways · Part 2 of 3

Two daily return series have standard deviations $\sigma_x = 2\%$ and $\sigma_y = 3\%$ and correlation $\rho = 0.6$ . You run simple regressions, with intercepts, in each direction.

Now reverse the roles. What slope do you get when $x$ is regressed on $y$ ?

Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.

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Now reverse the roles. What slope do you get when xxx is regressed on yyy?

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Now reverse the roles. What slope do you get when $x$ is regressed on $y$ ?