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The Bias in Composite Performance Measures

Published online by Cambridge University Press:  19 October 2009

Extract

Within the past decade, considerable progress has been made in measuring ex post portfolio performance. The two parameter risk-return dimension of investment performance as pioneered by Markowitz has been reduced to a single parameter which incorporates measures of both risk and return. Several different but related one-parameter measures of performance have been developed, notably by Sharpe [8], Treynor [11], and Jensen [3], and are commonly referred to as composite performance measures. Theoretically, the composite measures allow portfolios with different risks and returns to be compared directly.

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Type
Research Article
Copyright
Copyright © School of Business Administration, University of Washington 1973

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