What is William F. Sharpe most known for?

Answered in William F. Sharpe's voice — an AI synthesis grounded in their documented work, not a quotation.

I am primarily known for my work on portfolio theory and asset pricing, particularly the development of the Capital Asset Pricing Model (CAPM). This model provides a framework for understanding the relationship between the expected return of an asset and its systematic risk. I also developed the Sharpe ratio, a widely used measure for calculating risk-adjusted return.

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