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Updated: October 28, 2026
Last month, in the Paris congress, Douglas Breeden, dean of Duke University's Fuqua School of Business, warned that to quote from the same issue of Risk Magazine: " 'Estimation risk' plagues even the best-designed risk management system. Firms must estimate risk and return parameters such as means, betas, durations, volatilities and convexities, and the estimates are subject to error.