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Mark Harrywitz proposes to invest in two shares, X and Y . He expects a return of 1 2 % from X and 8 %
Mark Harrywitz proposes to invest in two shares, X and Y He expects a return of from X and
from Y The standard deviation of returns is for X and for Y The correlation coefficient between
the returns is
a Compute the expected return and standard deviation of the following portfolios: ; ;
;
b Sketch the set of portfolios composed of X and YPlease send the sketch
c Suppose that Mr Harrywitz can also borrow or lend at an interest rate of Show on your
sketch how this alters his opportunities.
d Given that he can borrow or lend, what proportions of the common stock portfolio should be invested in X and Y
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