<Para ID="Par1">Recently, there has been some interest on models of incomplete preferences under uncertainty that allow for incompleteness due the multiplicity of tastes and beliefs. In particular, Galaabaatar and Karni (Econometrica 81(1):255–284, <CitationRef CitationID="CR6">2013</CitationRef>) work with a strict partial order and present...</citationref></para>

This paper axiomatizes models of second-order ambiguous beliefs in the original domain of preferences of Anscombe and Aumann (Ann Math Stat 34:199–205, <CitationRef CitationID="CR2">1963</CitationRef>) by weakening the first-stage independence postulate. The models we propose include the second-order subjective expected utility (SOSEU)...</citationref>