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we look at the Sharpe ratio and the VaR measure of market risk as well, proposing some decision rules for investors …, regulators and risk managers …
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Although survey‐based point predictions have been found to outperform successful forecasting models, corresponding variance forecasts are frequently diagnosed as heavily distorted. Professional forecasters who report inconspicuously low ex ante variances often produce squared forecast errors...
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We present the first calibration of quantum decision theory (QDT) to an empirical data set. The data comprise 91 …) the utility factor with a stochastic version of cumulative prospect theory (logit-CPT), and (b) the attraction factor with … a constant absolute risk aversion (CARA) function. This makes logit-CPT nested in our proposed parameterisation of QDT …
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