The returns on a Treasury bill (i.e. a risk-free asset) and on equity (i.e. a risky...
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The returns on a Treasury bill (i.e. a risk-free asset) and on equity (i.e. a risky asset) are given below (for four states of the economy): State of the economy 1 2 3 4 Prob. of state of economy 0 Picture g 0.25 0.25 0.25 0.25 Return (% p.a.) T-bill 4 4 4 4 Equity -10 0 15 50 The maturity of the T-bill equals the holding period of one year and hence is the risk-free asset. a) Calculate the expected return (ER) and the standard deviation (SD) of the returns on (i) the Treasury bill and (ii) the equity. (Use n = 4 rather than n-1 = 3 when calculating SD.) b) Calculate the expected return (ER) and the standard deviation (SD) of a port- folio consisting of the risk-free asset and the risky asset (equity), correspon- ding to the following proportions y held in each asset. Share of T-bill (1-y) 1 0.5 Equity (y) 0 0.5 0 1 -0.5 1.5 c) Plot a graph of the expected return against the standard deviation for each value of y and indicate on the graph the proportions of each asset held. The returns on a Treasury bill (i.e. a risk-free asset) and on equity (i.e. a risky asset) are given below (for four states of the economy): State of the economy 1 2 3 4 Prob. of state of economy 0 Picture g 0.25 0.25 0.25 0.25 Return (% p.a.) T-bill 4 4 4 4 Equity -10 0 15 50 The maturity of the T-bill equals the holding period of one year and hence is the risk-free asset. a) Calculate the expected return (ER) and the standard deviation (SD) of the returns on (i) the Treasury bill and (ii) the equity. (Use n = 4 rather than n-1 = 3 when calculating SD.) b) Calculate the expected return (ER) and the standard deviation (SD) of a port- folio consisting of the risk-free asset and the risky asset (equity), correspon- ding to the following proportions y held in each asset. Share of T-bill (1-y) 1 0.5 Equity (y) 0 0.5 0 1 -0.5 1.5 c) Plot a graph of the expected return against the standard deviation for each value of y and indicate on the graph the proportions of each asset held.
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Related Book For
Calculus Early Transcendentals
ISBN: 978-0321947345
2nd edition
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
Posted Date:
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