Diversification in Stock Portfolios Consider an economy with two types of firms, S and I. S firms
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Diversification in Stock Portfolios
Consider an economy with two types of firms, S and I. S firms all move together. I firms move independently. For both types of firms there is a 45% probability that the firm will have a 7% return and a 55% probability that the firm will have a -18% return. What is thevolatility (standard deviation)of a portfolio that consists of an equal investment in:
- 32 firms of type S? Standard deviation isAnswer ------
%. (Round to two decimal points.)
- 32 firms of type I? Standard deviation isAnswer -----
%. (Round to two decimal points.)
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