Suppose you plan to form your overall investment portfolio in two steps: STEP 1: Choose a portfolio of stocks with a zero position in the risk-free asset. STEP 2: Allocate your money between the portfolio from Step 1 and the risk-free asset. Suppose you can borrow and lend as much as you want at the risk-free rate in Step 2.   Let Erp be the expected return of the Step 1 portfolio. Let Var(rp) be the variance of the return of the Step 1 portfolio. Let rf be the risk-free rate. How will you form the Step 1 Portfolio? Set the Step 1 portfolio to maximize Erp SettheStep1portfoliotominimizeVar(rp) Set the Step 1 portfolio to maximize Erp - Var(rp) Set the Step 1 portfolio to maximize the ratio Erp/Var(rp) Set the Step 1 portfolio to maximize the ratio (Erp- rf)/Var(rp) None of the above.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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9.

Suppose you plan to form your overall investment portfolio in two steps:

STEP 1: Choose a portfolio of stocks with a zero position in the risk-free asset.

STEP 2: Allocate your money between the portfolio from Step 1 and the risk-free asset.

Suppose you can borrow and lend as much as you want at the risk-free rate in Step 2.

 

Let Erp be the expected return of the Step 1 portfolio.

Let Var(rp) be the variance of the return of the Step 1 portfolio. Let rf be the risk-free rate.

How will you form the Step 1 Portfolio?

  1. Set the Step 1 portfolio to maximize Erp
  2. SettheStep1portfoliotominimizeVar(rp)
  3. Set the Step 1 portfolio to maximize Erp - Var(rp)
  4. Set the Step 1 portfolio to maximize the ratio Erp/Var(rp)
  5. Set the Step 1 portfolio to maximize the ratio (Erp- rf)/Var(rp)
  6. None of the above. 
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