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17 Cards in this Set
- Front
- Back
Diversifiable risk
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Risk attributable to firm-specific risk, or nonmarket risk. Nondiversifiable risk refers to systematic or market risk.
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Diversification
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Spreading a portfolio over many investments to avoid excessive exposure to any one source of risk.
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Efficient frontier of risky assets
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The portion of the minimum-variance frontier that lies above the global minimum-variance portfolio.
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Firm-specific risk
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See diversifiable risk.
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Input list
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List of parameters such as expected returns, variances, and covariances necessary to determine the optimal risky portfolio.
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Insurance principle
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The law of averages. The average outcome for many independent trials of an experiment will approach the expected value of the experiment.
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Market or systematic risk, firm-specific risk
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Market risk is risk attributable to common macroeconomic factors. Firmspecifi c risk reflects risk peculiar to an individual firm that is independent of market risk.
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Minimum-variance frontier
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Graph of the lowest possible portfolio variance that is attainable for a given portfolio expected return.
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Minimum-variance portfolio
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The portfolio of risky assets with lowest variance.
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Nondiversifiable risk
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See systematic risk.
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Nonsystematic risk
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Nonmarket or firm-specific risk factors that can be eliminated by diversification. Also called unique risk or diversifiable risk. Systematic risk refers to risk factors common to the entire economy.
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Optimal risky portfolio
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An investor's best combination of risky assets to be mixed with safe assets to form the complete portfolio.
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Portfolio opportunity set
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The expected return-standard deviation pairs of all portfolios that can be constructed from a given set of assets.
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Reward-to-variability ratio
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Ratio of a portfolio's risk premium to its standard deviation.
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Separation property
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The property that portfolio choice can be separated into two independent tasks: (1) determination of the optimal risky portfolio, which is a purely technical problem, and (2) the personal choice of the best mix of the risky portfolio and the risk-free asset.
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Systematic risk
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Risk factors common to the whole economy, nondiversifiable risk; also called market risk.
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Unique risk
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See diversifiable risk.
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