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CMA Intermediate · Financial Management and Business Data Analytics · Risk and Return

Under CAPM, which type of risk is rewarded with a risk premium, and which measure captures it?

Systematic risk, measured by beta, is rewarded. Market-wide risk cannot be diversified away, so investors demand a premium for it, whereas company-specific risk can be eliminated by holding a diversified portfolio and earns no extra return under CAPM.

  1. AUnsystematic risk, measured by standard deviation
  2. BSystematic risk, measured by betaCorrect
  3. CTotal risk, measured by variance
  4. DUnsystematic risk, measured by beta

Explanation

Unsystematic risk can be removed by diversification, so the market does not pay for it. Only non-diversifiable (systematic) risk is priced, and beta measures it relative to the market. Standard deviation and variance measure total risk, which includes the diversifiable part.

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