Suppose that the S&P 500, with a beta of 1.0, has an expected return of 11% and T-bills provide a risk-free return of 4%.
a. What would be the expected return and beta of portfolios constructed from these two assets with weights in the S&P 500 of (i) 0; (ii) 0.25; (iii) 0.50; (iv) 0.75; (v) 1.0? (Leave no cells blank - be certain to enter "0" wherever required. Do not round intermediate calculations. Enter the value of Expected return as a percentage rounded to 2 decimal places and value of Beta rounded to 2 decimal places.)
Expected Return | Beta | |||
(i) | 0 | % | ||
(ii) | 0.25 | % | ||
(iii) | 0.50 | % | ||
(iv) | 0.75 | % | ||
(v) | 1.0 | % |
b. How does expected return vary with beta? (Do not round intermediate calculations.)
The expected return (increases/decreases) by ____% for a one unit increase in beta
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