Grant, Simon; Polak, Ben - Cowles Foundation for Research in Economics, Yale University - 2011
-by-state utility deviations from the mean, and rho(d) is a measure of (aversion to) dispersion that corresponds to an uncertainty … premium. The key feature of these mean-dispersion preferences is that they exhibit constant absolute uncertainty aversion … dispersion function rho(dot) correspond to known models, to probabilistic sophistication, and to some new notions of uncertainty …