Suppose that an economic agent is <InlineEquation ID="Equ2"> <EquationSource Format="TEX">$(1-\varepsilon) \times$</EquationSource> </InlineEquation>100% certain that uncertainty she faces is characterized by a particular probability measure, but that she has a fear that, with <InlineEquation ID="Equ3"> <EquationSource Format="TEX">$\varepsilon \times$</EquationSource> </InlineEquation>100% chance, her conviction is completely wrong and she is left perfectly ignorant...</equationsource></inlineequation></equationsource></inlineequation>