--%>

Additive risk in the CAPM

Suppose that the two securities APPL and MSFT account for the entire large cap technology component of the S&P 500 (hypothetically – of course – there are really plenty of others). Further, suppose that their weights in the S&P index were as follows:

1988_capm.jpg

So that, for example, AAPL makes up 3% of the index since its weight is 0.03. [These weights are hypothetical – actual weights are computed based on the current market capitalization of each company included in the index, so they change all the time]

a. What fraction of the total portfolio is this large cap technology sector?
b. What is the beta of this large cap technology sector?
c. If the S&P 500 is the market portfolio, what is its beta?
d. What is the beta of the remaining stocks in the S&P (consider these as a single sector)?

   Related Questions in Corporate Finance

  • Q : Who explained put–call parity Who

    Who explained put–call parity?

  • Q : Financing EBIT problem Rusk Inc needs

    Rusk Inc needs $50 million in new capital that it might obtain by selling bonds at par with coupon of 12% or by selling stock at $40 (net) per share. The current capital structure of Rusk consists of $300 million (face value) of 10% coupon bonds selling at 90 and 10 m

  • Q : What is EBITDA What are Earnings before

    What are Earnings before Interest, Taxes, Depreciation and Amortization (EBITDA)?

  • Q : Earnings management What do you mean by

    What do you mean by Earnings management and what are their actions and activities?

  • Q : Benefits of working capital requirement

    Benefits of working capital requirement estimation: • Helps to judge the efficiency of utilization of working capital in generation of sales • Cost of capital aspect

  • Q : Set of conflicts in reducing working

    Give an illustration of a set of conflicts encountered when attempting to reduce working capital?

  • Q : Data Case Please assist with the

    Please assist with the attached Data Case assignment

  • Q : Problem on annual mortgage payment You

    You just took out a variable-rate mortgage on your new home. The mortgage value is $100,000, the term is 30 years, and initially the interest rate is 8%. The interest rate is fixed for 5 years, after which the time rate will be adjusted according to the prevailing rat

  • Q : Is it correct to use valuation of

    Is this correct to use in the valuation of the shares of a certain company the “the real net assets value” which, as per to the Institute of Accounting and Auditing (ICAC), shows the “book value of shareholder’s equity, corrected through increa

  • Q : Real estate problem Eric Rowan is

    Eric Rowan is planning to buy a house for $155,000 by borrowing money at the rate of 9%. He expects to rent the house for 5 years, collecting $20,000 annual rent in advance each year. He thinks that he can sell the house for $175,000 after five years. Fulton has incom