Eichberger, JürgenGrant, SimonKelsey, David2022-12-020938-2259http://hdl.handle.net/1885/281495Ghirardato et al. J Econ Theory 118:133–173, 2004 propose a method for distinguishing between perceived ambiguity and the decision-maker’s reaction to it. They study a general class of preferences which they refer to as invariant biseparable. This class includes CEU and MEU. This note presents some examples which illustrate their results.application/pdfen-AU© 2007 The authorsAmbiguityHurwicz preferencesInvariant biseparable preferencesMultiple priors200810.1007/s00199-007-0278-82021-11-28