Capital Allocation Line (CAL) and Capi ...
We form a capital allocation line when we combine a risky asset portfolio... Read More
By combining a portfolio of risky assets with a risk-free asset, we can improve the return-risk characteristics of the portfolio and realize a better trade-off. This combination is called the capital allocation line (CAL). The proportion of allocation to risky assets versus allocation to risk-free assets will be dependent on the risk preferences of the investor.
Combined Portfolios
We calculate the expected return of a mixed portfolio by adding up the expected returns of its components. To assess the portfolio’s risk, we need the allocation to each component, the standard deviation of each, and the correlation between them. When the assets aren’t perfectly correlated, the portfolio’s variance will be lower than that of its individual assets.
Each investor will have their own risky portfolio, dependent on the assumptions they make on the likely performance of the underlying assets. Since every investor makes their own unique assumptions about the underlying assets, there is no one optimal risk portfolio. We need to make a simplifying assumption that investor expectations are homogenous in order to derive what would be the optimal market portfolio.
Question
If two underlying assets are negatively correlated, combining them to form a portfolio will make the portfolio risk:
A. Increase.
B. Decrease.
C. Remain constant.
Solution
The correct answer is B.
When uncorrelated assets are combined to form a portfolio, a lack of correlation will reduce the overall portfolio volatility.
Sergio Torrico
2021-07-23
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Escribo esta revisión en español para los hispanohablantes, soy de Bolivia, y utilicé
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2021-07-17
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2021-07-16
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2021-06-28
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2021-06-22
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2021-05-10
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2021-03-24
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2021-03-18
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