Question
Suppose you group all the stocks in the world into mutually exclusive portfolios (each stock is in only one portfolio): growth stocks and value stocks.
Suppose you group all the stocks in the world into mutually exclusive portfolios (each stock is in only one portfolio): growth stocks and value stocks. Suppose the two portfolios have equal size (in terms of total value), a correlation of 0.5, and the following characteristics:
The risk free-rate is 2%.
a. What is the expected return and volatility of the market portfolio (which is a 5050 combination of the two portfolios)?
b. Calculate the Sharpe ratios of the value stock, growth stock, and market portfolio.
c. Does the CAPM hold in this economy?
(Hint:Is the market portfolio efficient?)
Could you kindly include the formulas? I found different formulas to solve this problem in different resources, and I am not sure which one is the right one to use in this case.
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