Business Case Studies & Business Publications

Applying the Capital Asset Pricing Model

Harris, Robert S.

Technical Note

Applying the Capital Asset Pricing Model

Harris, Robert S.

F-1456 | Published October 7, 2004 | 10 pages Technical Note

Collection: Darden School of Business

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This note discusses how some of the most financially sophisticated companies and financial advisors estimate the cost of equity capital. It focuses on areas where finance theory is silent or ambiguous and practitioners are left to their own devices. Survey evidence shows that the Capital Asset Pricing Model (CAPM) is the most widely used model. The note discusses methods companies use to estimate the three key elements needed to apply the CAPM: a proxy for the risk-free rate, an estimate of beta, and an equity-market risk premium. The note is useful for students attempting to apply the Capital Asset Pricing Model.