Corporate Board Member recently featured highlights from Duff & Phelps' report, "In Defense of Fairness Opinions: An Empirical Review of Ten Years of Data." The article describes the value fairness opinions provide for corporate boards and special committees, disproving the claims made by critics that argue fairness opinions provide little utility when analyzing potential transactions. Most fairness opinions use a robust set of methodologies to provide a narrow range of valuations, typically within 10 to 15 percentage points on either side of a midpoint - to serve as a valuable tool for evaluating purchase price officers.